// strncmp example
// Compare characters of two strings
// source: http://www.cplusplus.com/

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

int main()
{
  char str[][5]={"R2D2", "C3PO","R2A6"};
  int n;
  puts ("Looking for R2 astromech droids...");
  for (n=0 ; n<3 ; n++) {
    // we only want to compare R2 and not xx
    if (strncmp(str[n], "R2xx", 2) == 0)
	printf("found %s\n", str[n]);
  }
  return EXIT_SUCCESS;
}