1/* Portable version of strrchr(). 2 This function is in the public domain. */ 3 4/* 5 6@deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c}) 7 8Returns a pointer to the last occurrence of the character @var{c} in 9the string @var{s}, or @code{NULL} if not found. If @var{c} is itself the 10null character, the results are undefined. 11 12@end deftypefn 13 14*/ 15 16#include <ansidecl.h> 17 18char * 19strrchr (register const char *s, int c) 20{ 21 char *rtnval = 0; 22 23 do { 24 if (*s == c) 25 rtnval = (char*) s; 26 } while (*s++); 27 return (rtnval); 28} 29