/********************************************************************** * Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. * * All Rights Reserved. * * Reference "/usr/src/COPYRIGHT" for applicable restrictions. * **********************************************************************/ /* * SCCSID: @(#)rindex.c 3.0 4/22/86 */ /* * Return the ptr in sp at which the character c last * appears; NULL if not found */ #define NULL 0 char * rindex(sp, c) register char *sp, c; { register char *r; r = NULL; do { if (*sp == c) r = sp; } while (*sp++); return(r); }