4.3BSD - /usr/src/lib/libc/compat-sys5/strchr.c

   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: }

Defined functions

Defined variables

Defined macros