#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <io.h>
#include <share.h>
int main( void )
{
FILE *stream;
int fd, count = 0;
char inbuf[128];
// Open a file.
if( _sopen_s( &fd, "crt_fdopen.txt", _O_RDONLY, _SH_DENYNO, 0 ) )
exit( 1 );
// Get stream from file descriptor.
if( (stream = _fdopen( fd, "r" )) == NULL )
exit( 1 );
while( fgets( inbuf, 128, stream ) != NULL )
count++;
// After _fdopen, close with fclose, not _close.
fclose( stream );
printf( "Lines in file: %d\n", count );
}
