argp/strchrnul.c

   1 /* strchrnul.c
   2  *
   3  */
   4
   5 /* Written by Niels Möller <nisse@lysator.liu.se>
   6  *
   7  * This file is hereby placed in the public domain.
   8  */
   9
  10 /* FIXME: What is this function supposed to do? My guess is that it is
  11  * like strchr, but returns a pointer to the NUL character, not a NULL
  12  * pointer, if the character isn't found. */
  13
  14 char *strchrnul(const char *s, int c)
  15 {
  16   const char *p = s;
  17   while (*p && (*p != c))
  18     p++;
  19
  20   return (char *) p;
  21 }