memrchr(3)
find last occurrence of a character within another memory block
SYNOPSIS
#include <publib.h>
void *memrchr(const void *v, int c, size_t size);
DESCRIPTION
memrchr finds the last occurrence of character c within memory
block v, of length size.
RETURN VALUE
memrchr returns a pointer to the the match, if it finds any,
or a null pointer if it doesn't.