/* NetHack 3.6	pager.c	$NHDT-Date: 1448482543 2015/11/25 20:15:43 $  $NHDT-Branch: master $:$NHDT-Revision: 1.86 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed.  See license for details. */

/* JNetHack Copyright */
/* (c) Issei Numata, Naoki Hamada, Shigehiro Miyashita, 1994-2000  */
/* For 3.4-, Copyright (c) SHIRAKATA Kentaro, 2002-2016            */
/* JNetHack may be freely redistributed.  See license for details. */

/* This file contains the command routines dowhatis() and dohelp() and */
/* a few other help related facilities */

#include "hack.h"
#include "dlb.h"

STATIC_DCL boolean FDECL(is_swallow_sym, (int));
STATIC_DCL int FDECL(append_str, (char *, const char *));
STATIC_DCL void FDECL(look_at_object, (char *, int, int, int));
STATIC_DCL void FDECL(look_at_monster, (char *, char *,
                                        struct monst *, int, int));
STATIC_DCL struct permonst *FDECL(lookat, (int, int, char *, char *));
STATIC_DCL void FDECL(checkfile, (char *, struct permonst *,
                                  BOOLEAN_P, BOOLEAN_P));
STATIC_DCL void FDECL(look_all, (BOOLEAN_P,BOOLEAN_P));
STATIC_DCL boolean FDECL(help_menu, (int *));
STATIC_DCL void NDECL(docontact);
#ifdef PORT_HELP
extern void NDECL(port_help);
#endif

/* Returns "true" for characters that could represent a monster's stomach. */
STATIC_OVL boolean
is_swallow_sym(c)
int c;
{
    int i;

    for (i = S_sw_tl; i <= S_sw_br; i++)
        if ((int) showsyms[i] == c)
            return TRUE;
    return FALSE;
}

/*
 * Append new_str to the end of buf if new_str doesn't already exist as
 * a substring of buf.  Return 1 if the string was appended, 0 otherwise.
 * It is expected that buf is of size BUFSZ.
 */
STATIC_OVL int
append_str(buf, new_str)
char *buf;
const char *new_str;
{
    int space_left; /* space remaining in buf */

    if (strstri(buf, new_str))
        return 0;

    space_left = BUFSZ - strlen(buf) - 1;
#if 0 /*JP*/
    (void) strncat(buf, " or ", space_left);
    (void) strncat(buf, new_str, space_left - 4);
#else
    (void) strncat(buf, "または", space_left);
    (void) strncat(buf, new_str, space_left - 6);
#endif
    return 1;
}

/* shared by monster probing (via query_objlist!) as well as lookat() */
char *
self_lookat(outbuf)
char *outbuf;
{
    char race[QBUFSZ];

    /* include race with role unless polymorphed */
    race[0] = '\0';
    if (!Upolyd)
/*JP
        Sprintf(race, "%s ", urace.adj);
*/
        Sprintf(race, "%s", urace.adj);
#if 0 /*JP*/
    Sprintf(outbuf, "%s%s%s called %s",
            /* being blinded may hide invisibility from self */
            (Invis && (senseself() || !Blind)) ? "invisible " : "", race,
            mons[u.umonnum].mname, plname);
#else
    Sprintf(outbuf, "%s%s%sという名の%s",
            (Invis && (senseself() || !Blind)) ? "姿の見えない" : "", race,
            plname,
            mons[u.umonnum].mname);
#endif
    if (u.usteed)
/*JP
        Sprintf(eos(outbuf), ", mounted on %s", y_monnam(u.usteed));
*/
        Sprintf(eos(outbuf), "，%sに乗っている", y_monnam(u.usteed));
    return outbuf;
}

/* extracted from lookat(); also used by namefloorobj() */
boolean
object_from_map(glyph, x, y, obj_p)
int glyph, x, y;
struct obj **obj_p;
{
    boolean fakeobj = FALSE;
    struct monst *mtmp;
    struct obj *otmp = vobj_at(x, y);
    int glyphotyp = glyph_to_obj(glyph);

    *obj_p = (struct obj *) 0;
    /* there might be a mimic here posing as an object */
    mtmp = m_at(x, y);
    if (mtmp && is_obj_mappear(mtmp, (unsigned) glyphotyp))
        otmp = 0;
    else
        mtmp = 0;

    if (!otmp || otmp->otyp != glyphotyp) {
        /* this used to exclude STRANGE_OBJECT; now caller deals with it */
        otmp = mksobj(glyphotyp, FALSE, FALSE);
        if (!otmp)
            return FALSE;
        fakeobj = TRUE;
        if (otmp->oclass == COIN_CLASS)
            otmp->quan = 2L; /* to force pluralization */
        else if (otmp->otyp == SLIME_MOLD)
            otmp->spe = context.current_fruit; /* give it a type */
        if (mtmp && has_mcorpsenm(mtmp)) /* mimic as corpse/statue */
            otmp->corpsenm = MCORPSENM(mtmp);
    }
    /* if located at adjacent spot, mark it as having been seen up close */
    if (otmp && distu(x, y) <= 2 && !Blind && !Hallucination)
        otmp->dknown = 1;

    *obj_p = otmp;
    return fakeobj; /* when True, caller needs to dealloc *obj_p */
}

STATIC_OVL void
look_at_object(buf, x, y, glyph)
char *buf; /* output buffer */
int x, y, glyph;
{
    struct obj *otmp = 0;
    boolean fakeobj = object_from_map(glyph, x, y, &otmp);

    if (otmp) {
        Strcpy(buf, (otmp->otyp != STRANGE_OBJECT)
                     ? distant_name(otmp, xname)
                     : obj_descr[STRANGE_OBJECT].oc_name);
        if (fakeobj)
            dealloc_obj(otmp), otmp = 0;
    } else
        Strcpy(buf, something); /* sanity precaution */

    if (levl[x][y].typ == STONE || levl[x][y].typ == SCORR)
/*JP
        Strcat(buf, " embedded in stone");
*/
        Strcat(buf, "，岩に埋めこまれている");
    else if (IS_WALL(levl[x][y].typ) || levl[x][y].typ == SDOOR)
/*JP
        Strcat(buf, " embedded in a wall");
*/
        Strcat(buf, "，壁に埋めこまれている");
    else if (closed_door(x, y))
/*JP
        Strcat(buf, " embedded in a door");
*/
        Strcat(buf, "，扉に埋めこまれている");
    else if (is_pool(x, y))
      /*JP 3.4.3 この部分は物体にしか使われない */
/*JP
        Strcat(buf, " in water");
*/
        Strcat(buf, "，水中にある");
    else if (is_lava(x, y))
#if 0 /*JP*/
        Strcat(buf, " in molten lava"); /* [can this ever happen?] */
#else
        Strcat(buf, "，溶岩の中にある");        /* [can this ever happen?] */
#endif
    return;
}

STATIC_OVL void
look_at_monster(buf, monbuf, mtmp, x, y)
char *buf, *monbuf; /* buf: output, monbuf: optional output */
struct monst *mtmp;
int x, y;
{
    char *name, monnambuf[BUFSZ];
    boolean accurate = !Hallucination;

    if (mtmp->data == &mons[PM_COYOTE] && accurate)
        name = coyotename(mtmp, monnambuf);
    else
        name = distant_monnam(mtmp, ARTICLE_NONE, monnambuf);

#if 0 /*JP*/
    Sprintf(buf, "%s%s%s",
            (mtmp->mx != x || mtmp->my != y)
                ? ((mtmp->isshk && accurate) ? "tail of " : "tail of a ")
                : "",
            (mtmp->mtame && accurate)
                ? "tame "
                : (mtmp->mpeaceful && accurate)
                    ? "peaceful "
                    : "",
            name);
#else
    Sprintf(buf, "%s%s%s",
            (mtmp->mtame && accurate) ? "手なずけられた" :
            (mtmp->mpeaceful && accurate) ? "友好的な" : "",
            name,
            (mtmp->mx != x || mtmp->my != y) ?
            ((mtmp->isshk && accurate)
             ? "の尻尾" : "の尻尾") : "");
#endif
    if (u.ustuck == mtmp)
        Strcat(buf, (Upolyd && sticks(youmonst.data))
/*JP
                     ? ", being held" : ", holding you");
*/
                     ? "，あなたが掴まえている" : "，あなたを掴まえている");
    if (mtmp->mleashed)
/*JP
        Strcat(buf, ", leashed to you");
*/
        Strcat(buf, "，紐で結ばれている");

    if (mtmp->mtrapped && cansee(mtmp->mx, mtmp->my)) {
        struct trap *t = t_at(mtmp->mx, mtmp->my);
        int tt = t ? t->ttyp : NO_TRAP;

        /* newsym lets you know of the trap, so mention it here */
        if (tt == BEAR_TRAP || tt == PIT || tt == SPIKED_PIT || tt == WEB)
/*JP
            Sprintf(eos(buf), ", trapped in %s",
*/
            Sprintf(eos(buf), ", %sに捕まっている",
                    an(defsyms[trap_to_defsym(tt)].explanation));
    }

    if (monbuf) {
        unsigned how_seen = howmonseen(mtmp);

        monbuf[0] = '\0';
        if (how_seen != 0 && how_seen != MONSEEN_NORMAL) {
            if (how_seen & MONSEEN_NORMAL) {
/*JP
                Strcat(monbuf, "normal vision");
*/
                Strcat(monbuf, "通常の視覚");
                how_seen &= ~MONSEEN_NORMAL;
                /* how_seen can't be 0 yet... */
                if (how_seen)
                    Strcat(monbuf, ", ");
            }
            if (how_seen & MONSEEN_SEEINVIS) {
/*JP
                Strcat(monbuf, "see invisible");
*/
                Strcat(monbuf, "見えないものを見る視覚");
                how_seen &= ~MONSEEN_SEEINVIS;
                if (how_seen)
                    Strcat(monbuf, ", ");
            }
            if (how_seen & MONSEEN_INFRAVIS) {
/*JP
                Strcat(monbuf, "infravision");
*/
                Strcat(monbuf, "赤外線が見える視覚");
                how_seen &= ~MONSEEN_INFRAVIS;
                if (how_seen)
                    Strcat(monbuf, ", ");
            }
            if (how_seen & MONSEEN_TELEPAT) {
/*JP
                Strcat(monbuf, "telepathy");
*/
                Strcat(monbuf, "テレパシー");
                how_seen &= ~MONSEEN_TELEPAT;
                if (how_seen)
                    Strcat(monbuf, ", ");
            }
            if (how_seen & MONSEEN_XRAYVIS) {
                /* Eyes of the Overworld */
/*JP
                Strcat(monbuf, "astral vision");
*/
                Strcat(monbuf, "精神による視覚");
                how_seen &= ~MONSEEN_XRAYVIS;
                if (how_seen)
                    Strcat(monbuf, ", ");
            }
            if (how_seen & MONSEEN_DETECT) {
/*JP
                Strcat(monbuf, "monster detection");
*/
                Strcat(monbuf, "怪物を発見する能力");
                how_seen &= ~MONSEEN_DETECT;
                if (how_seen)
                    Strcat(monbuf, ", ");
            }
            if (how_seen & MONSEEN_WARNMON) {
                if (Hallucination)
/*JP
                    Strcat(monbuf, "paranoid delusion");
*/
                    Strcat(monbuf, "偏執的妄想");
                else
/*JP
                    Sprintf(eos(monbuf), "warned of %s",
*/
                    Sprintf(eos(monbuf), "%sを警告している",
                            makeplural(mtmp->data->mname));
                how_seen &= ~MONSEEN_WARNMON;
                if (how_seen)
                    Strcat(monbuf, ", ");
            }
            /* should have used up all the how_seen bits by now */
            if (how_seen) {
                impossible("lookat: unknown method of seeing monster");
                Sprintf(eos(monbuf), "(%u)", how_seen);
            }
        } /* seen by something other than normal vision */
    } /* monbuf is non-null */
}

/*
 * Return the name of the glyph found at (x,y).
 * If not hallucinating and the glyph is a monster, also monster data.
 */
STATIC_OVL struct permonst *
lookat(x, y, buf, monbuf)
int x, y;
char *buf, *monbuf;
{
    struct monst *mtmp = (struct monst *) 0;
    struct permonst *pm = (struct permonst *) 0;
    int glyph;

    buf[0] = monbuf[0] = '\0';
    glyph = glyph_at(x, y);
    if (u.ux == x && u.uy == y && canspotself()) {
        /* fill in buf[] */
        (void) self_lookat(buf);

        /* file lookup can't distinguish between "gnomish wizard" monster
           and correspondingly named player character, always picking the
           former; force it to find the general "wizard" entry instead */
        if (Role_if(PM_WIZARD) && Race_if(PM_GNOME) && !Upolyd)
            pm = &mons[PM_WIZARD];

        /* When you see yourself normally, no explanation is appended
           (even if you could also see yourself via other means).
           Sensing self while blind or swallowed is treated as if it
           were by normal vision (cf canseeself()). */
        if ((Invisible || u.uundetected) && !Blind && !u.uswallow) {
            unsigned how = 0;

            if (Infravision)
                how |= 1;
            if (Unblind_telepat)
                how |= 2;
            if (Detect_monsters)
                how |= 4;

            if (how)
#if 0 /*JP*/
                Sprintf(
                    eos(buf), " [seen: %s%s%s%s%s]",
                    (how & 1) ? "infravision" : "",
                    /* add comma if telep and infrav */
                    ((how & 3) > 2) ? ", " : "", (how & 2) ? "telepathy" : "",
                    /* add comma if detect and (infrav or telep or both) */
                    ((how & 7) > 4) ? ", " : "",
                    (how & 4) ? "monster detection" : "");
#else
                Sprintf(
                    eos(buf), " [感知: %s%s%s%s%s]",
                    (how & 1) ? "赤外線" : "",
                    /* add comma if telep and infrav */
                    ((how & 3) > 2) ? ", " : "", (how & 2) ? "テレパシー" : "",
                    /* add comma if detect and (infrav or telep or both) */
                    ((how & 7) > 4) ? ", " : "",
                    (how & 4) ? "怪物感知" : "");
#endif
        }
    } else if (u.uswallow) {
        /* all locations when swallowed other than the hero are the monster */
#if 0 /*JP*/
        Sprintf(buf, "interior of %s",
                Blind ? "a monster" : a_monnam(u.ustuck));
#else
        Sprintf(buf, "%sの内部",
                Blind ? "怪物" : a_monnam(u.ustuck));
#endif
        pm = u.ustuck->data;
    } else if (glyph_is_monster(glyph)) {
        bhitpos.x = x;
        bhitpos.y = y;
        if ((mtmp = m_at(x, y)) != 0) {
            look_at_monster(buf, monbuf, mtmp, x, y);
            pm = mtmp->data;
        }
    } else if (glyph_is_object(glyph)) {
        look_at_object(buf, x, y, glyph); /* fill in buf[] */
    } else if (glyph_is_trap(glyph)) {
        int tnum = what_trap(glyph_to_trap(glyph));

        Strcpy(buf, defsyms[trap_to_defsym(tnum)].explanation);
    } else if (!glyph_is_cmap(glyph)) {
/*JP
        Strcpy(buf, "unexplored area");
*/
        Strcpy(buf, "未探索の場所");
    } else
        switch (glyph_to_cmap(glyph)) {
        case S_altar:
/*JP
            Sprintf(buf, "%s %saltar",
*/
            Sprintf(buf, "%s%s祭壇",
                    /* like endgame high priests, endgame high altars
                       are only recognizable when immediately adjacent */
                    (Is_astralevel(&u.uz) && distu(x, y) > 2)
/*JP
                        ? "aligned"
*/
                        ? "属性の"
                        : align_str(
                              Amask2align(levl[x][y].altarmask & ~AM_SHRINE)),
                    ((levl[x][y].altarmask & AM_SHRINE)
                     && (Is_astralevel(&u.uz) || Is_sanctum(&u.uz)))
/*JP
                        ? "high "
*/
                        ? "高位の"
                        : "");
            break;
        case S_ndoor:
            if (is_drawbridge_wall(x, y) >= 0)
/*JP
                Strcpy(buf, "open drawbridge portcullis");
*/
                Strcpy(buf,"開いている跳ね橋");
            else if ((levl[x][y].doormask & ~D_TRAPPED) == D_BROKEN)
/*JP
                Strcpy(buf, "broken door");
*/
                Strcpy(buf,"壊れた扉");
            else
/*JP
                Strcpy(buf, "doorway");
*/
                Strcpy(buf,"出入り口");
            break;
        case S_cloud:
            Strcpy(buf,
/*JP
                   Is_airlevel(&u.uz) ? "cloudy area" : "fog/vapor cloud");
*/
                   Is_airlevel(&u.uz) ? "曇っている場所" : "霧/蒸気の雲");
            break;
        case S_stone:
            if (!levl[x][y].seenv) {
/*JP
                Strcpy(buf, "unexplored");
*/
                Strcpy(buf, "未探索");
                break;
            } else if (levl[x][y].typ == STONE || levl[x][y].typ == SCORR) {
/*JP
                Strcpy(buf, "stone");
*/
                Strcpy(buf, "岩盤");
                break;
            }
            /*else FALLTHRU*/
        default:
            Strcpy(buf, defsyms[glyph_to_cmap(glyph)].explanation);
            break;
        }

    return (pm && !Hallucination) ? pm : (struct permonst *) 0;
}

/*
 * Look in the "data" file for more info.  Called if the user typed in the
 * whole name (user_typed_name == TRUE), or we've found a possible match
 * with a character/glyph and flags.help is TRUE.
 *
 * NOTE: when (user_typed_name == FALSE), inp is considered read-only and
 *       must not be changed directly, e.g. via lcase(). We want to force
 *       lcase() for data.base lookup so that we can have a clean key.
 *       Therefore, we create a copy of inp _just_ for data.base lookup.
 */
STATIC_OVL void
checkfile(inp, pm, user_typed_name, without_asking)
char *inp;
struct permonst *pm;
boolean user_typed_name, without_asking;
{
    dlb *fp;
    char buf[BUFSZ], newstr[BUFSZ];
    char *ep, *dbase_str;
    unsigned long txt_offset = 0L;
    int chk_skip;
    boolean found_in_file = FALSE, skipping_entry = FALSE;
    winid datawin = WIN_ERR;

    fp = dlb_fopen(DATAFILE, "r");
    if (!fp) {
#if 0 /*JP*/
        pline("Cannot open data file!");
#else
        pline("データファイルを開けない！");
#endif
        return;
    }

    /*
     * If someone passed us garbage, prevent fault.
     */
    if (!inp || (inp && strlen(inp) > (BUFSZ - 1))) {
        pline("bad do_look buffer passed!");
        return;
    }

    /* To prevent the need for entries in data.base like *ngel to account
     * for Angel and angel, make the lookup string the same for both
     * user_typed_name and picked name.
     */
    if (pm != (struct permonst *) 0 && !user_typed_name)
        dbase_str = strcpy(newstr, pm->mname);
    else
        dbase_str = strcpy(newstr, inp);
    (void) lcase(dbase_str);

    if (!strncmp(dbase_str, "interior of ", 12))
        dbase_str += 12;
    if (!strncmp(dbase_str, "a ", 2))
        dbase_str += 2;
    else if (!strncmp(dbase_str, "an ", 3))
        dbase_str += 3;
    else if (!strncmp(dbase_str, "the ", 4))
        dbase_str += 4;
    if (!strncmp(dbase_str, "tame ", 5))
        dbase_str += 5;
    else if (!strncmp(dbase_str, "peaceful ", 9))
        dbase_str += 9;
    if (!strncmp(dbase_str, "invisible ", 10))
        dbase_str += 10;
    if (!strncmp(dbase_str, "saddled ", 8))
        dbase_str += 8;
    if (!strncmp(dbase_str, "statue of ", 10))
        dbase_str[6] = '\0';
    else if (!strncmp(dbase_str, "figurine of ", 12))
        dbase_str[8] = '\0';

    /* Make sure the name is non-empty. */
    if (*dbase_str) {
        /* adjust the input to remove "named " and convert to lower case */
        char *alt = 0; /* alternate description */

        if ((ep = strstri(dbase_str, " named ")) != 0)
            alt = ep + 7;
        else
            ep = strstri(dbase_str, " called ");
        if (!ep)
            ep = strstri(dbase_str, ", ");
        if (ep && ep > dbase_str)
            *ep = '\0';

        /*
         * If the object is named, then the name is the alternate description;
         * otherwise, the result of makesingular() applied to the name is.
         * This
         * isn't strictly optimal, but named objects of interest to the user
         * will usually be found under their name, rather than under their
         * object type, so looking for a singular form is pointless.
         */
        if (!alt)
            alt = makesingular(dbase_str);

        /* skip first record; read second */
        txt_offset = 0L;
        if (!dlb_fgets(buf, BUFSZ, fp) || !dlb_fgets(buf, BUFSZ, fp)) {
            impossible("can't read 'data' file");
            (void) dlb_fclose(fp);
            return;
        } else if (sscanf(buf, "%8lx\n", &txt_offset) < 1 || txt_offset == 0L)
            goto bad_data_file;

        /* look for the appropriate entry */
        while (dlb_fgets(buf, BUFSZ, fp)) {
            if (*buf == '.')
                break; /* we passed last entry without success */

            if (digit(*buf)) {
                /* a number indicates the end of current entry */
                skipping_entry = FALSE;
            } else if (!skipping_entry) {
                if (!(ep = index(buf, '\n')))
                    goto bad_data_file;
                *ep = 0;
                /* if we match a key that begins with "~", skip this entry */
                chk_skip = (*buf == '~') ? 1 : 0;
                if (pmatch(&buf[chk_skip], dbase_str)
                    || (alt && pmatch(&buf[chk_skip], alt))) {
                    if (chk_skip) {
                        skipping_entry = TRUE;
                        continue;
                    } else {
                        found_in_file = TRUE;
                        break;
                    }
                }
            }
        }
    }

    if (found_in_file) {
        long entry_offset;
        int entry_count;
        int i;

        /* skip over other possible matches for the info */
        do {
            if (!dlb_fgets(buf, BUFSZ, fp))
                goto bad_data_file;
        } while (!digit(*buf));
        if (sscanf(buf, "%ld,%d\n", &entry_offset, &entry_count) < 2) {
        bad_data_file:
            impossible("'data' file in wrong format or corrupted");
            /* window will exist if we came here from below via 'goto' */
            if (datawin != WIN_ERR)
                destroy_nhwindow(datawin);
            (void) dlb_fclose(fp);
            return;
        }

/*JP
        if (user_typed_name || without_asking || yn("More info?") == 'y') {
*/
        if (user_typed_name || without_asking || yn("詳細を見る？") == 'y') {
            if (dlb_fseek(fp, (long) txt_offset + entry_offset, SEEK_SET)
                < 0) {
/*JP
                pline("? Seek error on 'data' file!");
*/
                pline("'data'ファイルのシークエラー！");
                (void) dlb_fclose(fp);
                return;
            }
            datawin = create_nhwindow(NHW_MENU);
            for (i = 0; i < entry_count; i++) {
                if (!dlb_fgets(buf, BUFSZ, fp))
                    goto bad_data_file;
                if ((ep = index(buf, '\n')) != 0)
                    *ep = 0;
                if (index(buf + 1, '\t') != 0)
                    (void) tabexpand(buf + 1);
                putstr(datawin, 0, buf + 1);
            }
            display_nhwindow(datawin, FALSE);
            destroy_nhwindow(datawin);
        }
    } else if (user_typed_name)
/*JP
        pline("I don't have any information on those things.");
*/
        pline("そんな名前は聞いたことがない．");

    (void) dlb_fclose(fp);
}

int
do_screen_description(cc, looked, sym, out_str, firstmatch)
coord cc;
boolean looked;
int sym;
char *out_str;
const char **firstmatch;
{
    boolean need_to_look = FALSE;
    int glyph = NO_GLYPH;
    static char look_buf[BUFSZ];
    char prefix[BUFSZ];
    int found = 0; /* count of matching syms found */
    int i, alt_i;
    int skipped_venom = 0;
    boolean hit_trap;
    const char *x_str;
/*JP
    static const char *mon_interior = "the interior of a monster";
*/
    static const char *mon_interior = "怪物の内部";

    if (looked) {
        int oc;
        unsigned os;

        glyph = glyph_at(cc.x, cc.y);
        /* Convert glyph at selected position to a symbol for use below. */
        (void) mapglyph(glyph, &sym, &oc, &os, cc.x, cc.y);

        Sprintf(prefix, "%s        ", encglyph(glyph));
    } else
        Sprintf(prefix, "%c        ", sym);

    /*
     * Check all the possibilities, saving all explanations in a buffer.
     * When all have been checked then the string is printed.
     */

    /*
     * Special case: if identifying from the screen, and we're swallowed,
     * and looking at something other than our own symbol, then just say
     * "the interior of a monster".
     */
    if (u.uswallow && looked
        && (is_swallow_sym(sym) || (int) showsyms[S_stone] == sym)) {
        if (!found) {
            Sprintf(out_str, "%s%s", prefix, mon_interior);
            *firstmatch = mon_interior;
        } else {
            found += append_str(out_str, mon_interior);
        }
        need_to_look = TRUE;
        goto didlook;
    }

    /* Check for monsters */
    for (i = 0; i < MAXMCLASSES; i++) {
        if (sym == (looked ? showsyms[i + SYM_OFF_M] : def_monsyms[i].sym)
            && def_monsyms[i].explain) {
            need_to_look = TRUE;
            if (!found) {
                Sprintf(out_str, "%s%s", prefix, an(def_monsyms[i].explain));
                *firstmatch = def_monsyms[i].explain;
                found++;
            } else {
                found += append_str(out_str, an(def_monsyms[i].explain));
            }
        }
    }
    /* handle '@' as a special case if it refers to you and you're
       playing a character which isn't normally displayed by that
       symbol; firstmatch is assumed to already be set for '@' */
    if ((looked ? (sym == showsyms[S_HUMAN + SYM_OFF_M]
                   && cc.x == u.ux && cc.y == u.uy)
                : (sym == def_monsyms[S_HUMAN].sym && !flags.showrace))
        && !(Race_if(PM_HUMAN) || Race_if(PM_ELF)) && !Upolyd)
#if 0 /*JP*/
        found += append_str(out_str, "you"); /* tack on "or you" */
#else
        found += append_str(out_str, "あなた"); /* tack on "or you" */
#endif

    /* Now check for objects */
    for (i = 1; i < MAXOCLASSES; i++) {
        if (sym == (looked ? showsyms[i + SYM_OFF_O] : def_oc_syms[i].sym)) {
            need_to_look = TRUE;
            if (looked && i == VENOM_CLASS) {
                skipped_venom++;
                continue;
            }
            if (!found) {
                Sprintf(out_str, "%s%s", prefix, an(def_oc_syms[i].explain));
                *firstmatch = def_oc_syms[i].explain;
                found++;
            } else {
                found += append_str(out_str, an(def_oc_syms[i].explain));
            }
        }
    }

    if (sym == DEF_INVISIBLE) {
        if (!found) {
            Sprintf(out_str, "%s%s", prefix, an(invisexplain));
            *firstmatch = invisexplain;
            found++;
        } else {
            found += append_str(out_str, an(invisexplain));
        }
    }

#define is_cmap_trap(i) ((i) >= S_arrow_trap && (i) <= S_polymorph_trap)
#define is_cmap_drawbridge(i) ((i) >= S_vodbridge && (i) <= S_hcdbridge)

    /* Now check for graphics symbols */
    alt_i = (sym == (looked ? showsyms[0] : defsyms[0].sym)) ? 0 : (2 + 1);
    for (hit_trap = FALSE, i = 0; i < MAXPCHARS; i++) {
        /* when sym is the default background character, we process
           i == 0 three times: unexplored, stone, dark part of a room */
        if (alt_i < 2) {
/*JP
            x_str = !alt_i++ ? "unexplored" : "stone";
*/
            x_str = !alt_i++ ? "未探索" : "岩盤";
            i = 0; /* for second iteration, undo loop increment */
            /* alt_i is now 1 or 2 */
        } else {
            if (alt_i++ == 2)
                i = 0; /* undo loop increment */
            x_str = defsyms[i].explanation;
            /* alt_i is now 3 or more and no longer of interest */
        }
        if (sym == (looked ? showsyms[i] : defsyms[i].sym) && *x_str) {
#if 0 /*JP*//*日本語には関係ない*/
            /* avoid "an unexplored", "an stone", "an air", "a water",
               "a floor of a room", "a dark part of a room";
               article==2 => "the", 1 => "an", 0 => (none) */
            int article = strstri(x_str, " of a room") ? 2
                          : !(alt_i <= 2
                              || strcmp(x_str, "air") == 0
                              || strcmp(x_str, "water") == 0);

#endif
            if (!found) {
                if (is_cmap_trap(i)) {
/*JP
                    Sprintf(out_str, "%sa trap", prefix);
*/
                    Sprintf(out_str, "%s罠", prefix);
                    hit_trap = TRUE;
                } else {
#if 0 /*JP*/
                    Sprintf(out_str, "%s%s", prefix,
                            article == 2 ? the(x_str)
                            : article == 1 ? an(x_str) : x_str);
#else
                    Sprintf(out_str, "%s%s", prefix, x_str);
#endif
                }
                *firstmatch = x_str;
                found++;
            } else if (!u.uswallow && !(hit_trap && is_cmap_trap(i))
                       && !(found >= 3 && is_cmap_drawbridge(i))
                       /* don't mention vibrating square outside of Gehennom
                          unless this happens to be one (hallucination?) */
                       && (i != S_vibrating_square || Inhell
                           || (looked && glyph_is_trap(glyph)
                               && glyph_to_trap(glyph) == VIBRATING_SQUARE))) {
#if 0 /*JP*/
                found += append_str(out_str, (article == 2) ? the(x_str)
                                             : (article == 1) ? an(x_str)
                                               : x_str);
#else
                found += append_str(out_str, x_str);
#endif
                if (is_cmap_trap(i))
                    hit_trap = TRUE;
            }

            if (i == S_altar || is_cmap_trap(i))
                need_to_look = TRUE;
        }
    }

    /* Now check for warning symbols */
    for (i = 1; i < WARNCOUNT; i++) {
        x_str = def_warnsyms[i].explanation;
        if (sym == (looked ? warnsyms[i] : def_warnsyms[i].sym)) {
            if (!found) {
                Sprintf(out_str, "%s%s", prefix, def_warnsyms[i].explanation);
                *firstmatch = def_warnsyms[i].explanation;
                found++;
            } else {
                found += append_str(out_str, def_warnsyms[i].explanation);
            }
            /* Kludge: warning trumps boulders on the display.
               Reveal the boulder too or player can get confused */
            if (looked && sobj_at(BOULDER, cc.x, cc.y))
                Strcat(out_str, " co-located with a boulder");
            break; /* out of for loop*/
        }
    }

    /* if we ignored venom and list turned out to be short, put it back */
    if (skipped_venom && found < 2) {
        x_str = def_oc_syms[VENOM_CLASS].explain;
        if (!found) {
            Sprintf(out_str, "%s%s", prefix, an(x_str));
            *firstmatch = x_str;
            found++;
        } else {
            found += append_str(out_str, an(x_str));
        }
    }

    /* handle optional boulder symbol as a special case */
    if (iflags.bouldersym && sym == iflags.bouldersym) {
        if (!found) {
/*JP
            *firstmatch = "boulder";
*/
            *firstmatch = "岩";
            Sprintf(out_str, "%s%s", prefix, an(*firstmatch));
            found++;
        } else {
/*JP
            found += append_str(out_str, "boulder");
*/
            found += append_str(out_str, "岩");
        }
    }

    /*
     * If we are looking at the screen, follow multiple possibilities or
     * an ambiguous explanation by something more detailed.
     */
 didlook:
    if (looked) {
        if (found > 1 || need_to_look) {
            char monbuf[BUFSZ];
            char temp_buf[BUFSZ];

            (void) lookat(cc.x, cc.y, look_buf, monbuf);
            *firstmatch = look_buf;
            if (*(*firstmatch)) {
                Sprintf(temp_buf, " (%s)", *firstmatch);
                (void) strncat(out_str, temp_buf,
                               BUFSZ - strlen(out_str) - 1);
                found = 1; /* we have something to look up */
            }
            if (monbuf[0]) {
                Sprintf(temp_buf, " [seen: %s]", monbuf);
                (void) strncat(out_str, temp_buf,
                               BUFSZ - strlen(out_str) - 1);
            }
        }
    }

    return found;
}

/* getpos() return values */
#define LOOK_TRADITIONAL 0 /* '.' -- ask about "more info?" */
#define LOOK_QUICK 1       /* ',' -- skip "more info?" */
#define LOOK_ONCE 2        /* ';' -- skip and stop looping */
#define LOOK_VERBOSE 3     /* ':' -- show more info w/o asking */

/* also used by getpos hack in do_name.c */
/*JP
const char what_is_an_unknown_object[] = "an unknown object";
*/
const char what_is_an_unknown_object[] = "謎の物体";

int
do_look(mode, click_cc)
int mode;
coord *click_cc;
{
    boolean quick = (mode == 1); /* use cursor; don't search for "more info" */
    boolean clicklook = (mode == 2); /* right mouse-click method */
    char out_str[BUFSZ];
    const char *firstmatch = 0;
    struct permonst *pm = 0;
    int i = '\0', ans = 0;
    int sym;              /* typed symbol or converted glyph */
    int found;            /* count of matching syms found */
    coord cc;             /* screen pos of unknown glyph */
    boolean save_verbose; /* saved value of flags.verbose */
    boolean from_screen;  /* question from the screen */

    if (!clicklook) {
        if (quick) {
            from_screen = TRUE; /* yes, we want to use the cursor */
            i = 'y';
        }

        if (i != 'y') {
            menu_item *pick_list = (menu_item *) 0;
            winid win;
            anything any;

            any = zeroany;
            win = create_nhwindow(NHW_MENU);
            start_menu(win);
            any.a_char = '/';
            /* 'y' and 'n' to keep backwards compatibility with previous
               versions: "Specify unknown object by cursor?" */
            add_menu(win, NO_GLYPH, &any,
                     flags.lootabc ? 0 : any.a_char, 'y', ATR_NONE,
/*JP
                     "something on the map", MENU_UNSELECTED);
*/
                     "地図上にあるもの", MENU_UNSELECTED);
            any.a_char = 'i';
            add_menu(win, NO_GLYPH, &any,
                     flags.lootabc ? 0 : any.a_char, 0, ATR_NONE,
/*JP
                     "something you're carrying", MENU_UNSELECTED);
*/
                     "あなたが持っているもの", MENU_UNSELECTED);
            any.a_char = '?';
            add_menu(win, NO_GLYPH, &any,
                     flags.lootabc ? 0 : any.a_char, 'n', ATR_NONE,
/*JP
                     "something else (by symbol or name)", MENU_UNSELECTED);
*/
                     "それ以外(シンボルか名前で指定)", MENU_UNSELECTED);
            if (!u.uswallow && !Hallucination) {
                any = zeroany;
                add_menu(win, NO_GLYPH, &any, 0, 0, ATR_NONE,
                         "", MENU_UNSELECTED);
                /* these options work sensibly for the swallowed case,
                   but there's no reason for the player to use them then;
                   objects work fine when hallucinating, but screen
                   symbol/monster class letter doesn't match up with
                   bogus monster type, so suppress when hallucinating */
                any.a_char = 'm';
                add_menu(win, NO_GLYPH, &any,
                         flags.lootabc ? 0 : any.a_char, 0, ATR_NONE,
/*JP
                         "nearby monsters", MENU_UNSELECTED);
*/
                         "近くにいる怪物", MENU_UNSELECTED);
                any.a_char = 'M';
                add_menu(win, NO_GLYPH, &any,
                         flags.lootabc ? 0 : any.a_char, 0, ATR_NONE,
/*JP
                         "all monsters shown on map", MENU_UNSELECTED);
*/
                         "地図上にいる全ての怪物", MENU_UNSELECTED);
                any.a_char = 'o';
                add_menu(win, NO_GLYPH, &any,
                         flags.lootabc ? 0 : any.a_char, 0, ATR_NONE,
/*JP
                         "nearby objects", MENU_UNSELECTED);
*/
                         "近くにあるもの", MENU_UNSELECTED);
                any.a_char = 'O';
                add_menu(win, NO_GLYPH, &any,
                         flags.lootabc ? 0 : any.a_char, 0, ATR_NONE,
/*JP
                         "all objects shown on map", MENU_UNSELECTED);
*/
                         "地図上にある全てのもの", MENU_UNSELECTED);
            }
/*JP
            end_menu(win, "What do you want to look at:");
*/
            end_menu(win, "何を見る？");
            if (select_menu(win, PICK_ONE, &pick_list) > 0) {
                i = pick_list->item.a_char;
                free((genericptr_t) pick_list);
            }
            destroy_nhwindow(win);
        }

        switch (i) {
        default:
        case 'q':
            return 0;
        case 'y':
        case '/':
            from_screen = TRUE;
            sym = 0;
            cc.x = u.ux;
            cc.y = u.uy;
            break;
        case 'i':
          {
            char invlet;
            struct obj *invobj;

            invlet = display_inventory((const char *) 0, TRUE);
            if (!invlet || invlet == '\033')
                return 0;
            *out_str = '\0';
            for (invobj = invent; invobj; invobj = invobj->nobj)
                if (invobj->invlet == invlet) {
                    strcpy(out_str, singular(invobj, xname));
                    break;
                }
            if (*out_str)
                checkfile(out_str, pm, TRUE, TRUE);
            return 0;
          }
        case '?':
            from_screen = FALSE;
/*JP
            getlin("Specify what? (type the word)", out_str);
*/
            getlin("何を調べる？(文字を入れてね)", out_str);
            if (out_str[0] == '\0' || out_str[0] == '\033')
                return 0;

            if (out_str[1]) { /* user typed in a complete string */
                checkfile(out_str, pm, TRUE, TRUE);
                return 0;
            }
            sym = out_str[0];
            break;
        case 'm':
            look_all(TRUE, TRUE); /* list nearby monsters */
            return 0;
        case 'M':
            look_all(FALSE, TRUE); /* list all monsters */
            return 0;
        case 'o':
            look_all(TRUE, FALSE); /* list nearby objects */
            return 0;
        case 'O':
            look_all(FALSE, FALSE); /* list all objects */
            return 0;
        }
    } else { /* clicklook */
        cc.x = click_cc->x;
        cc.y = click_cc->y;
        sym = 0;
        from_screen = FALSE;
    }

    /* Save the verbose flag, we change it later. */
    save_verbose = flags.verbose;
    flags.verbose = flags.verbose && !quick;
    /*
     * The user typed one letter, or we're identifying from the screen.
     */
    do {
        /* Reset some variables. */
        pm = (struct permonst *) 0;
        found = 0;
        out_str[0] = '\0';

        if (from_screen || clicklook) {
            if (from_screen) {
                if (flags.verbose)
#if 0 /*JP*/
                    pline("Please move the cursor to %s.",
                          what_is_an_unknown_object);
#else
                    pline("カーソルを物体に移動してください．");
#endif
                else
/*JP
                    pline("Pick an object.");
*/
                    pline("物体を指定してください．");

                ans = getpos(&cc, quick, what_is_an_unknown_object);
                if (ans < 0 || cc.x < 0) {
                    flags.verbose = save_verbose;
                    return 0; /* done */
                }
                flags.verbose = FALSE; /* only print long question once */
            }
        }

        found = do_screen_description(cc, (from_screen || clicklook), sym,
                                      out_str, &firstmatch);

        /* Finally, print out our explanation. */
        if (found) {
            /* Used putmixed() because there may be an encoded glyph present
             */
            putmixed(WIN_MESSAGE, 0, out_str);

            /* check the data file for information about this thing */
            if (found == 1 && ans != LOOK_QUICK && ans != LOOK_ONCE
                && (ans == LOOK_VERBOSE || (flags.help && !quick))
                && !clicklook) {
                char temp_buf[BUFSZ];

                Strcpy(temp_buf, firstmatch);
                checkfile(temp_buf, pm, FALSE,
                          (boolean) (ans == LOOK_VERBOSE));
            }
        } else {
/*JP
            pline("I've never heard of such things.");
*/
            pline("そんな名前は聞いたことがない．");
        }

    } while (from_screen && !quick && ans != LOOK_ONCE && !clicklook);

    flags.verbose = save_verbose;
    return 0;
}

STATIC_OVL void
look_all(nearby, do_mons)
boolean nearby; /* True => within BOLTLIM, False => entire map */
boolean do_mons; /* True => monsters, False => objects */
{
    winid win;
    int x, y, lo_x, lo_y, hi_x, hi_y, glyph, count = 0;
    char buf[BUFSZ], outbuf[BUFSZ], coordbuf[12], fmt[12]; /* "%02d,%02d" */

    /* row,column orientation rather than cartesian x,y */
    Sprintf(fmt, "%%%sd,%%%sd",
            (ROWNO <= 100) ? "02" : (ROWNO <= 1000) ? "03" : "",
            (COLNO <= 100) ? "02" : (COLNO <= 1000) ? "03" : "");

    win = create_nhwindow(NHW_TEXT);
    lo_y = nearby ? max(u.uy - BOLT_LIM, 0) : 0;
    lo_x = nearby ? max(u.ux - BOLT_LIM, 1) : 1;
    hi_y = nearby ? min(u.uy + BOLT_LIM, ROWNO - 1) : ROWNO - 1;
    hi_x = nearby ? min(u.ux + BOLT_LIM, COLNO - 1) : COLNO - 1;
    for (y = lo_y; y <= hi_y; y++) {
        for (x = lo_x; x <= hi_x; x++) {
            buf[0] = '\0';
            glyph = glyph_at(x, y);
            if (do_mons) {
                if (glyph_is_monster(glyph)) {
                    struct monst *mtmp;

                    bhitpos.x = x; /* [is this actually necessary?] */
                    bhitpos.y = y;
                    if (x == u.ux && y == u.uy && canspotself()) {
                        (void) self_lookat(buf);
                        ++count;
                    } else if ((mtmp = m_at(x, y)) != 0) {
                        look_at_monster(buf, (char *) 0, mtmp, x, y);
                        ++count;
                    }
                } else if (glyph_is_invisible(glyph)) {
                    /* remembered, unseen, creature */
                    Strcpy(buf, invisexplain);
                    ++count;
                } else if (glyph_is_warning(glyph)) {
                    int warnindx = glyph_to_warning(glyph);

                    Strcpy(buf, def_warnsyms[warnindx].explanation);
                    ++count;
                }
            } else { /* !do_mons */
                if (glyph_is_object(glyph)) {
                    look_at_object(buf, x, y, glyph);
                    ++count;
                }
            }
            if (*buf) {
                if (count == 1) {
                    char which[12];

                    Strcpy(which, do_mons ? "monsters" : "objects");
                    if (nearby) {
                        Sprintf(coordbuf, fmt, u.uy, u.ux);
                        Sprintf(outbuf, "%s currently shown near %s:",
                                upstart(which), coordbuf);
                    } else
                        Sprintf(outbuf, "All %s currently shown on the map:",
                                which);
                    putstr(win, 0, outbuf);
                    putstr(win, 0, "");
                }
                Sprintf(coordbuf, fmt, y, x);
                /* prefix: "C  row,column  " */
                Sprintf(outbuf, "%s  %s  ", encglyph(glyph), coordbuf);
                /* guard against potential overflow */
                buf[sizeof buf - 1 - strlen(outbuf)] = '\0';
                Strcat(outbuf, buf);
                putmixed(win, 0, outbuf);
            }
        }
    }
    if (count)
        display_nhwindow(win, TRUE);
    else
#if 0 /*JP*/
        pline("No %s are currently shown %s.",
              do_mons ? "monsters" : "objects",
              nearby ? "nearby" : "on the map");
#else
        pline("今のところ%sに%s．",
              nearby ? "近く" : "地図上",
              do_mons ? "怪物はいない" : "ものはない");
#endif
    destroy_nhwindow(win);
}

/* the '/' command */
int
dowhatis()
{
    return do_look(0, (coord *) 0);
}

/* the ';' command */
int
doquickwhatis()
{
    return do_look(1, (coord *) 0);
}

/* the '^' command */
int
doidtrap()
{
    register struct trap *trap;
    int x, y, tt;

    if (!getdir("^"))
        return 0;
    x = u.ux + u.dx;
    y = u.uy + u.dy;
    for (trap = ftrap; trap; trap = trap->ntrap)
        if (trap->tx == x && trap->ty == y) {
            if (!trap->tseen)
                break;
            tt = trap->ttyp;
            if (u.dz) {
                if (u.dz < 0 ? (tt == TRAPDOOR || tt == HOLE)
                             : tt == ROCKTRAP)
                    break;
            }
            tt = what_trap(tt);
#if 0 /*JP*/
            pline("That is %s%s%s.",
                  an(defsyms[trap_to_defsym(tt)].explanation),
                  !trap->madeby_u
                     ? ""
                     : (tt == WEB)
                        ? " woven"
                        /* trap doors & spiked pits can't be made by
                           player, and should be considered at least
                           as much "set" as "dug" anyway */
                        : (tt == HOLE || tt == PIT)
                           ? " dug"
                           : " set",
                  !trap->madeby_u ? "" : " by you");
#else
            pline("それは%s%sだ．",
                  !trap->madeby_u
                     ? ""
                     : (tt == WEB)
                        ? "あなたが張った"
                        : (tt == HOLE || tt == PIT)
                           ? "あなたが掘った"
                           : "あなたが仕掛けた",
                  defsyms[trap_to_defsym(tt)].explanation);
#endif
            return 0;
        }
/*JP
    pline("I can't see a trap there.");
*/
    pline("そこには罠はみあたらない．");
    return 0;
}

char *
dowhatdoes_core(q, cbuf)
char q;
char *cbuf;
{
    dlb *fp;
    char bufr[BUFSZ];
    register char *buf = &bufr[6], *ep, ctrl, meta;

    fp = dlb_fopen(CMDHELPFILE, "r");
    if (!fp) {
#if 0 /*JP*/
        pline("Cannot open data file!");
#else
        pline("データファイルを開けない！");
#endif
        return 0;
    }

    ctrl = ((q <= '\033') ? (q - 1 + 'A') : 0);
    meta = ((0x80 & q) ? (0x7f & q) : 0);
    while (dlb_fgets(buf, BUFSZ - 6, fp)) {
        if ((ctrl && *buf == '^' && *(buf + 1) == ctrl)
            || (meta && *buf == 'M' && *(buf + 1) == '-'
                && *(buf + 2) == meta) || *buf == q) {
            ep = index(buf, '\n');
            if (ep)
                *ep = 0;
            if (ctrl && buf[2] == '\t') {
                buf = bufr + 1;
                (void) strncpy(buf, "^?      ", 8);
                buf[1] = ctrl;
            } else if (meta && buf[3] == '\t') {
                buf = bufr + 2;
                (void) strncpy(buf, "M-?     ", 8);
                buf[2] = meta;
            } else if (buf[1] == '\t') {
                buf = bufr;
                buf[0] = q;
                (void) strncpy(buf + 1, "       ", 7);
            }
            (void) dlb_fclose(fp);
            Strcpy(cbuf, buf);
            return cbuf;
        }
    }
    (void) dlb_fclose(fp);
    return (char *) 0;
}

int
dowhatdoes()
{
    char bufr[BUFSZ];
    char q, *reslt;

#if defined(UNIX) || defined(VMS)
    introff();
#endif
/*JP
    q = yn_function("What command?", (char *) 0, '\0');
*/
    q = yn_function("どういうコマンド？", (char *) 0, '\0');
#if defined(UNIX) || defined(VMS)
    intron();
#endif
    reslt = dowhatdoes_core(q, bufr);
    if (reslt)
        pline1(reslt);
    else
/*JP
        pline("I've never heard of such commands.");
*/
        pline("そんなコマンドは聞いたことがない．");
    return 0;
}

void
docontact()
{
    winid cwin = create_nhwindow(NHW_TEXT);
    char buf[BUFSZ];

    if (sysopt.support) {
        /*XXX overflow possibilities*/
        Sprintf(buf, "To contact local support, %s", sysopt.support);
        putstr(cwin, 0, buf);
        putstr(cwin, 0, "");
    } else if (sysopt.fmtd_wizard_list) { /* formatted SYSCF WIZARDS */
        Sprintf(buf, "To contact local support, contact %s.",
                sysopt.fmtd_wizard_list);
        putstr(cwin, 0, buf);
        putstr(cwin, 0, "");
    }
    putstr(cwin, 0, "To contact the NetHack development team directly,");
    /*XXX overflow possibilities*/
    Sprintf(buf, "see the 'Contact' form on our website or email <%s>.",
            DEVTEAM_EMAIL);
    putstr(cwin, 0, buf);
    putstr(cwin, 0, "");
    putstr(cwin, 0, "For more information on NetHack, or to report a bug,");
    Sprintf(buf, "visit our website \"%s\".", DEVTEAM_URL);
    putstr(cwin, 0, buf);
    display_nhwindow(cwin, FALSE);
    destroy_nhwindow(cwin);
}

/* data for help_menu() */
static const char *help_menu_items[] = {
#if 0 /*JP*/
    /*  0*/ "About NetHack (version information).",
    /*  1*/ "Long description of the game and commands.",
    /*  2*/ "List of game commands.",
    /*  3*/ "Concise history of NetHack.",
    /*  4*/ "Info on a character in the game display.",
    /*  5*/ "Info on what a given key does.",
    /*  6*/ "List of game options.",
    /*  7*/ "Longer explanation of game options.",
    /*  8*/ "List of extended commands.",
    /*  9*/ "The NetHack license.",
    /* 10*/ "Support information.",
#ifdef PORT_HELP
    "%s-specific help and commands.",
#define PORT_HELP_ID 100
#define WIZHLP_SLOT 12
#else
#define WIZHLP_SLOT 11
#endif
    "List of wizard-mode commands.", "", (char *) 0
#else /*JP*/
    /*  0*/ "NetHackについて(バージョン情報)",
    /*  1*/ "ゲームおよびコマンドの解説(長文)",
    /*  2*/ "コマンド一覧",
    /*  3*/ "NetHackの簡単な歴史",
    /*  4*/ "画面に表示される文字の説明",
    /*  5*/ "このキーが何を意味するかの説明",
    /*  6*/ "ゲームのオプション一覧",
    /*  7*/ "ゲームのオプション一覧(長文)",
    /*  8*/ "拡張コマンド一覧",
    /*  9*/ "NetHackのライセンス",
    /* 10*/ "サポート情報",
#ifdef PORT_HELP
    "%sに特有のヘルプおよびコマンド",
#define PORT_HELP_ID 100
#define WIZHLP_SLOT 12
#else
#define WIZHLP_SLOT 11
#endif
    "ウィザードモードのコマンド一覧", "", (char *) 0
#endif /*JP*/
};

STATIC_OVL boolean
help_menu(sel)
int *sel;
{
    winid tmpwin = create_nhwindow(NHW_MENU);
#ifdef PORT_HELP
    char helpbuf[QBUFSZ];
#endif
    int i, n;
    menu_item *selected;
    anything any;

    any = zeroany; /* zero all bits */
    start_menu(tmpwin);
    if (!wizard)
        help_menu_items[WIZHLP_SLOT] = "",
        help_menu_items[WIZHLP_SLOT + 1] = (char *) 0;
    for (i = 0; help_menu_items[i]; i++)
#ifdef PORT_HELP
        /* port-specific line has a %s in it for the PORT_ID */
        if (help_menu_items[i][0] == '%') {
            Sprintf(helpbuf, help_menu_items[i], PORT_ID);
            any.a_int = PORT_HELP_ID + 1;
            add_menu(tmpwin, NO_GLYPH, &any, 0, 0, ATR_NONE, helpbuf,
                     MENU_UNSELECTED);
        } else
#endif
        {
            any.a_int = (*help_menu_items[i]) ? i + 1 : 0;
            add_menu(tmpwin, NO_GLYPH, &any, 0, 0, ATR_NONE,
                     help_menu_items[i], MENU_UNSELECTED);
        }
/*JP
    end_menu(tmpwin, "Select one item:");
*/
    end_menu(tmpwin, "選んでください：");
    n = select_menu(tmpwin, PICK_ONE, &selected);
    destroy_nhwindow(tmpwin);
    if (n > 0) {
        *sel = selected[0].item.a_int - 1;
        free((genericptr_t) selected);
        return TRUE;
    }
    return FALSE;
}

/* the '?' command */
int
dohelp()
{
    int sel = 0;

    if (help_menu(&sel)) {
        switch (sel) {
        case 0:
            (void) doextversion();
            break;
        case 1:
            display_file(HELP, TRUE);
            break;
        case 2:
            display_file(SHELP, TRUE);
            break;
        case 3:
            (void) dohistory();
            break;
        case 4:
            (void) dowhatis();
            break;
        case 5:
            (void) dowhatdoes();
            break;
        case 6:
            option_help();
            break;
        case 7:
            display_file(OPTIONFILE, TRUE);
            break;
        case 8:
            (void) doextlist();
            break;
        case 9:
            display_file(LICENSE, TRUE);
            break;
        case 10:
            (void) docontact();
            break;
#ifdef PORT_HELP
        case PORT_HELP_ID:
            port_help();
            break;
#endif
        default:
            /* handle slot 11 or 12 */
            display_file(DEBUGHELP, TRUE);
            break;
        }
    }
    return 0;
}

/* the 'V' command; also a choice for '?' */
int
dohistory()
{
    display_file(HISTORY, TRUE);
    return 0;
}

/*pager.c*/
