num elements in array

//   by Cooler_
#include <stdio.h>
#define num_elements(array) (sizeof(array) / sizeof *(array))

int main()
{
 int x[] = {1,2,7,0,0,1};
 char *w[] = {"0x0FF","0x0a","0x90","0x80"};

 printf("int  %d , strings %d \n",num_elements(x),num_elements(w));

 return 0;
}