#include <strings.h>
char *rindex(const char *s, int c);
#include <stdio.h>
#include <string.h>
int main()
{
char *s = "183028198114850329282223333";
char *p = rindex(s, '8');
printf ("%s\n", p);
return 0;
}
./rindex
82223333
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