5.15 rindex—reverse search for character in string

Synopsis

#include <string.h>
char * rindex(const char *string, int c);

Description
This function finds the last occurence of c (converted to a char) in the string pointed to by string (including the terminating null character).

This function is identical to strrchr.

Returns
Returns a pointer to the located character, or a null pointer if c does not occur in string.

Portability
rindex requires no supporting OS subroutines.