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/* read() wrapper.
Copyright (C) 2001 Free Software Foundation, Inc.
Written by Bruno Haible <haible@clisp.cons.org>, 2001.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Get ssize_t. */
#include <sys/types.h>
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
/* Read LEN bytes at PTR from descriptor DESC, retrying if interrupted.
Return the actual number of bytes read, zero for EOF, or negative
for an error. */
extern ssize_t safe_read PARAMS ((int desc, void *ptr, size_t len));
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