Searches the string haystack for the last occurrence of the string needle, limiting the length of the search to haystack_len.
a nul-terminated string.
the maximum length of haystack.
the nul-terminated string to search for.
a pointer to the found occurrence, or NULL if not found.
See Implementation
Searches the string haystack for the last occurrence of the string needle, limiting the length of the search to haystack_len.