#include <stdio.h>
#include <string.h>
int main() {
char str[] = "c c++ java python c#";
char character = 'c';
char* p = strrchr(str, character);
if (p)
printf("Found at index: %d", p - str);
else
printf("Not found");
return 0;
}
/*
run:
Found at index: 18
*/