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Initial revision
git-svn-id: file:///srv/svn/joey/bsdgames-trunk@5086 a4a2c43b-8ac3-0310-8836-e0e880c912e2
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joey
244
phantasia/io.c
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244
phantasia/io.c
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/* $NetBSD: io.c,v 1.3 1997/10/13 02:18:25 lukem Exp $ */
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/*
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* io.c - input/output routines for Phantasia
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*/
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#include "include.h"
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void
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getstring(cp, mx)
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char *cp;
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int mx;
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{
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char *inptr; /* pointer into string for next string */
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int x, y; /* original x, y coordinates on screen */
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int ch; /* input */
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getyx(stdscr, y, x); /* get coordinates on screen */
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inptr = cp;
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*inptr = '\0'; /* clear string to start */
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--mx; /* reserve room in string for nul terminator */
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do
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/* get characters and process */
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{
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if (Echo)
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mvaddstr(y, x, cp); /* print string on screen */
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clrtoeol(); /* clear any data after string */
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refresh(); /* update screen */
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ch = getchar(); /* get character */
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switch (ch) {
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case CH_ERASE: /* back up one character */
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if (inptr > cp)
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--inptr;
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break;
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case CH_KILL: /* back up to original location */
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inptr = cp;
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break;
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case CH_NEWLINE: /* terminate string */
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break;
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case CH_REDRAW:/* redraw screen */
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clearok(stdscr, TRUE);
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continue;
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default: /* put data in string */
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if (ch >= ' ' || Wizard)
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/* printing char; put in string */
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*inptr++ = ch;
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}
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*inptr = '\0'; /* terminate string */
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}
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while (ch != CH_NEWLINE && inptr < cp + mx);
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}
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void
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more(where)
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int where;
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{
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mvaddstr(where, 0, "-- more --");
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getanswer(" ", FALSE);
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}
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double
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infloat()
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{
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double result; /* return value */
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getstring(Databuf, SZ_DATABUF);
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if (sscanf(Databuf, "%lf", &result) < 1)
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/* no valid number entered */
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result = 0.0;
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return (result);
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}
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int
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inputoption()
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{
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++Player.p_age; /* increase age */
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if (Player.p_ring.ring_type != R_SPOILED)
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/* ring ok */
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return (getanswer("T ", TRUE));
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else
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/* bad ring */
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{
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getanswer(" ", TRUE);
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return ((int) ROLL(0.0, 5.0) + '0');
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}
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}
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void
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interrupt()
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{
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char line[81]; /* a place to store data already on screen */
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int loop; /* counter */
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int x, y; /* coordinates on screen */
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int ch; /* input */
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unsigned savealarm; /* to save alarm value */
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#ifdef SYS3
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signal(SIGINT, SIG_IGN);
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#endif
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#ifdef SYS5
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signal(SIGINT, SIG_IGN);
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#endif
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savealarm = alarm(0); /* turn off any alarms */
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getyx(stdscr, y, x); /* save cursor location */
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for (loop = 0; loop < 80; ++loop) { /* save line on screen */
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move(4, loop);
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line[loop] = inch();
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}
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line[80] = '\0'; /* nul terminate */
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if (Player.p_status == S_INBATTLE || Player.p_status == S_MONSTER)
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/* in midst of fighting */
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{
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mvaddstr(4, 0, "Quitting now will automatically kill your character. Still want to ? ");
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ch = getanswer("NY", FALSE);
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if (ch == 'Y')
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death("Bailing out");
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/* NOTREACHED */
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} else {
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mvaddstr(4, 0, "Do you really want to quit ? ");
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ch = getanswer("NY", FALSE);
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if (ch == 'Y')
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leavegame();
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/* NOTREACHED */
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}
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mvaddstr(4, 0, line); /* restore data on screen */
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move(y, x); /* restore cursor */
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refresh();
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#ifdef SYS3
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signal(SIGINT, interrupt);
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#endif
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#ifdef SYS5
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signal(SIGINT, interrupt);
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#endif
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alarm(savealarm); /* restore alarm */
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}
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int
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getanswer(choices, def)
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char *choices;
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bool def;
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{
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int ch; /* input */
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volatile int loop; /* counter */
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volatile int oldx, oldy; /* original coordinates on screen */
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getyx(stdscr, oldy, oldx);
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alarm(0); /* make sure alarm is off */
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for (loop = 3; loop; --loop)
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/* try for 3 times */
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{
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if (setjmp(Timeoenv) != 0)
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/* timed out waiting for response */
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{
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if (def || loop <= 1)
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/* return default answer */
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break;
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else
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/* prompt, and try again */
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goto YELL;
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} else
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/* wait for response */
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{
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clrtoeol();
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refresh();
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#ifdef BSD41
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sigset(SIGALRM, catchalarm);
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#else
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signal(SIGALRM, catchalarm);
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#endif
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/* set timeout */
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if (Timeout)
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alarm(7); /* short */
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else
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alarm(600); /* long */
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ch = getchar();
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alarm(0); /* turn off timeout */
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if (ch < 0)
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/* caught some signal */
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{
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++loop;
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continue;
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} else
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if (ch == CH_REDRAW)
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/* redraw screen */
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{
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clearok(stdscr, TRUE); /* force clear screen */
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++loop; /* don't count this input */
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continue;
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} else
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if (Echo) {
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addch(ch); /* echo character */
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refresh();
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}
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if (islower(ch))
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/* convert to upper case */
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ch = toupper(ch);
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if (def || strchr(choices, ch) != NULL)
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/* valid choice */
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return (ch);
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else
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if (!def && loop > 1)
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/* bad choice; prompt, and try again */
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{
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YELL: mvprintw(oldy + 1, 0, "Please choose one of : [%s]\n", choices);
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move(oldy, oldx);
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clrtoeol();
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continue;
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} else
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/* return default answer */
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break;
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}
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}
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return (*choices);
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}
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void
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catchalarm(dummy)
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int dummy __attribute__((unused));
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{
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longjmp(Timeoenv, 1);
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}
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