#include <stdio.h>
#include <string.h>

// This code outputs: h is in "This is my test string"
int main(int argc, char* argv[])
{
   const char *zborZaProverka= "nino";
   char *recenica = "jas se vikam nino no me vikaat pederche";
   char *c = recenica;
   while (*c)
   {
       if (strchr(zborZaProverka, *c))
       {
          printf("%c is in \"%s\"\n", *c, recenica);
       }

       c++;
   }

   return 0;
}