File open with C language

file_create_with_fopen.c

#include <stdio.h>
int main (void)
{
  FILE *fp;
  fp = fopen ("/home/tsu-nera/tmp/test", "w");
  fclose (fp);
  return 0;
}

file_create_with_open.c

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

int main (void)
{
  int fd;
  fd = open ("/home/tsu-nera/tmp/test", O_RDWR|O_CREAT, S_IREAD | S_IWRITE);
  close (fd);
  return 0;
}