1 #if defined(LIBC_SCCS) && !defined(lint) 2 static char sccsid[] = "@(#)strchr.c 5.2 (Berkeley) 86/03/09"; 3 #endif LIBC_SCCS and not lint 4 5 /* 6 * Return the ptr in sp at which the character c appears; 7 * NULL if not found 8 * 9 * this routine is just "index" renamed. 10 */ 11 12 #define NULL 0 13 14 char * 15 strchr(sp, c) 16 register char *sp, c; 17 { 18 do { 19 if (*sp == c) 20 return(sp); 21 } while (*sp++); 22 return(NULL); 23 } 24