/* $Id$ */ #include getpw(uid, buf) int uid; char buf[]; { register FILE *pwf; register int ch, i; register char *bp; pwf = fopen("/etc/passwd", "r"); if (pwf == NULL) return(1); for (;;) { bp = buf; while ((ch = getc(pwf)) != '\n') { if (ch == EOF) return 1; *bp++ = ch; } *bp++ = '\0'; bp = buf; for (i = 2; i; i--) { while ((ch = *bp++) != ':') { if(ch = '\0') return 1; } } i = 0; while ((ch = *bp++) != ':') { if (ch < '0' || ch > '9') return 1; i = i * 10 + (ch - '0'); } if (i == uid) return(0); } /*NOTREACHED*/ }