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glibc  2.9
writev.c
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00001 /* Copyright (C) 1991, 1995-1998, 2000, 2002 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <sys/uio.h>
00020 
00021 extern ssize_t kwritev (int fd, const struct iovec *iovp, size_t iovcnt,
00022                      long int ext);
00023 
00024 /* Read data from file descriptor FD, and put the result in the
00025    buffers described by VECTOR, which is a vector of COUNT `struct iovec's.
00026    The buffers are filled in the order specified.
00027    Operates just like `read' (see <unistd.h>) except that data are
00028    put in VECTOR instead of a contiguous buffer.  */
00029 ssize_t
00030 __libc_writev (fd, vector, count)
00031      int fd;
00032      const struct iovec *vector;
00033      int count;
00034 {
00035   return kwritev (fd, vector, count, 0);
00036 }
00037 strong_alias (__libc_writev, __writev)
00038 weak_alias (__libc_writev, writev)