#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <sys/stat.h>

#define data "Hello World!"

int main (int argc, const char * argv[]) {
    // insert code here...
    printf("Only a small test application\n");
    
    int handle=creat("testfile.txt", S_IRWXU | S_IRWXG | S_IRWXO);
    printf("handle for file: %d \n",handle);
    
    int c=write(handle,data, strlen(data));
    printf("wrote %d bytes. \n",c);
    
    int e=close(handle);
    printf("close returned: %d \n",e);
    
    return 0;
}