1*16dce513Schristos /* Portable version of strrchr(). 2*16dce513Schristos This function is in the public domain. */ 3*16dce513Schristos 4*16dce513Schristos /* 5*16dce513Schristos 6*16dce513Schristos @deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c}) 7*16dce513Schristos 8*16dce513Schristos Returns a pointer to the last occurrence of the character @var{c} in 9*16dce513Schristos the string @var{s}, or @code{NULL} if not found. If @var{c} is itself the 10*16dce513Schristos null character, the results are undefined. 11*16dce513Schristos 12*16dce513Schristos @end deftypefn 13*16dce513Schristos 14*16dce513Schristos */ 15*16dce513Schristos 16*16dce513Schristos #include <ansidecl.h> 17*16dce513Schristos 18*16dce513Schristos char * strrchr(register const char * s,int c)19*16dce513Schristosstrrchr (register const char *s, int c) 20*16dce513Schristos { 21*16dce513Schristos char *rtnval = 0; 22*16dce513Schristos 23*16dce513Schristos do { 24*16dce513Schristos if (*s == c) 25*16dce513Schristos rtnval = (char*) s; 26*16dce513Schristos } while (*s++); 27*16dce513Schristos return (rtnval); 28*16dce513Schristos } 29