ustrrchr (3) - Linux Manuals
ustrrchr: Finds the last occurrence of a character in a string. Allegro game programming library.
NAME
ustrrchr - Finds the last occurrence of a character in a string. Allegro game programming library.SYNOPSIS
#include <allegro.h>
char *ustrrchr(const char *s, int c);
DESCRIPTION
Finds the last occurrence of the character `c' in the string `s'. Example:
char *p = ustrrchr("one,two,three,four", ',');