#include <stdio.h>
#include <string.h>
int main() {
   char password[]="Geheim", buffer[10];
   printf("Geef password: ");
   scanf("%s", buffer);
   if (strncmp(password, buffer, 7)==0) {
      printf("Toegang tot geheime informatie.");
   }
   else {
      printf("Onjuist password!");
   }
   getchar();
   getchar();
   return 0;
}