can anyone tell what is the output of this code.. and also need the explanation for the output. thank u

unsigned char strrchr (char s, int c){ char *rp = 0; while(*s) { if (*s == c){ rp = (char*) s; s+t return (rpl; int main( char str[] = "123456565656987"; char c = '6"; unsigned char *p; volatile int position =-1; p = strrchr (str, c)