| /* sendfile -- copy data directly from one file descriptor to another |
| Copyright (C) 1998,99,01,2002,2004 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #ifndef _SYS_SENDFILE_H |
| #define _SYS_SENDFILE_H 1 |
| |
| #include <features.h> |
| #include <sys/types.h> |
| |
| __BEGIN_DECLS |
| |
| /* Send up to COUNT bytes from file associated with IN_FD starting at |
| *OFFSET to descriptor OUT_FD. Set *OFFSET to the IN_FD's file position |
| following the read bytes. If OFFSET is a null pointer, use the normal |
| file position instead. Return the number of written bytes, or -1 in |
| case of error. */ |
| #ifndef __USE_FILE_OFFSET64 |
| extern ssize_t sendfile (int __out_fd, int __in_fd, off_t *__offset, |
| size_t __count) __THROW; |
| #else |
| # ifdef __REDIRECT_NTH |
| extern ssize_t __REDIRECT_NTH (sendfile, |
| (int __out_fd, int __in_fd, __off64_t *__offset, |
| size_t __count), sendfile64); |
| # else |
| # define sendfile sendfile64 |
| # endif |
| #endif |
| #ifdef __USE_LARGEFILE64 |
| extern ssize_t sendfile64 (int __out_fd, int __in_fd, __off64_t *__offset, |
| size_t __count) __THROW; |
| #endif |
| |
| __END_DECLS |
| |
| #endif /* sys/sendfile.h */ |
