windows-nt/Source/XPSP1/NT/base/crts/crtw32/lowio/telli64.c
2020-09-26 16:20:57 +08:00

42 lines
846 B
C

/***
*telli64.c - find file position
*
* Copyright (c) 1994-2001, Microsoft Corporation. All rights reserved.
*
*Purpose:
* contains _telli64 - find file position
*
*Revision History:
* 11-18-94 GJF Created. Adapted from tell.c
*
*******************************************************************************/
#include <cruntime.h>
#include <io.h>
#include <stdio.h>
/***
*__int64 _telli64(filedes) - find file position
*
*Purpose:
* Gets the current position of the file pointer (no adjustment
* for buffering).
*
*Entry:
* int filedes - file handle of file
*
*Exit:
* returns file position or -1i64 (sets errno) if bad file descriptor or
* pipe
*
*Exceptions:
*
*******************************************************************************/
__int64 __cdecl _telli64 (
int filedes
)
{
return( _lseeki64( filedes, 0i64, SEEK_CUR ) );
}