strrchr - get last occurrence of character in string

Syntax	#include <string.h> char *strrchr(const char *s, int c);
Description	strrchr() searches for the last occurrence of character c in string s and returns a pointer to the located position in s if successful. The terminating null byte (\0) is also considered as a character.
Return val.	Pointer to the position of c in string s
		if successful.
	Null pointer	if c is not contained in string s.
Notes See also	The functions strrchr() and rindex() are equivalent. index(), rindex(), strchr(), string.h.