1 #ifndef lint 2 static char sccsid[] = "@(#)rindex.c 5.1 (Berkeley) 06/05/85"; 3 #endif not lint 4 5 /* 6 * Return the ptr in sp at which the character c last 7 * appears; NULL if not found 8 */ 9 10 #define NULL 0 11 12 char * 13 rindex(sp, c) 14 register char *sp, c; 15 { 16 register char *r; 17 18 r = NULL; 19 do { 20 if (*sp == c) 21 r = sp; 22 } while (*sp++); 23 return(r); 24 } 25