libiberty/strrchr.c

   1 /* Portable version of strrchr().
   2    This function is in the public domain. */
   3
   4 /*
   5 NAME
   6         strrchr -- return pointer to last occurance of a character
   7
   8 SYNOPSIS
   9         char *strrchr (const char *s, int c)
  10
  11 DESCRIPTION
  12         Returns a pointer to the last occurance of character C in
  13         string S, or a NULL pointer if no occurance is found.
  14
  15 BUGS
  16         Behavior when character is the null character is implementation
  17         dependent.
  18 */
  19
  20 #include <ansidecl.h>
  21
  22 char *
  23 strrchr (s, c)
  24   register const char *s;
  25   int c;
  26 {
  27   char *rtnval = 0;
  28
  29   do {
  30     if (*s == c)
  31       rtnval = (char*) s;
  32   } while (*s++);
  33   return (rtnval);
  34 }