/*-------------------------------------------------------------------*/
/* testlowlevelout.c                                                 */
/* The creat, write, and close system calls.                         */
/*-------------------------------------------------------------------*/

#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>

int main(int argc, char *argv[])
{
   int iFd;
   int iRet;
   int iBytesWritten;
   char pcBuffer[] = "somedata\n";

   /* Write "somedata\n" to a file named tempfile. */

   iFd = creat("tempfile", 0600);
   if (iFd == -1) {perror(argv[0]); return 1; }

   iBytesWritten = 0;
   while (iBytesWritten < 9)
   {
      iRet = write(iFd, pcBuffer + iBytesWritten, 9 - iBytesWritten);
      if (iRet == -1) {perror(argv[0]); return 1; }
      iBytesWritten += iRet;
   }

   iRet = close(iFd);
   if (iRet == -1) {perror(argv[0]); return 1; }

   return 0;
}


/* Sample execution:

$ gcc -Wall -ansi -pedantic -o testlowlevelout testlowlevelout.c
$ testlowlevelout
$ cat tempfile
somedata
$

*/