glibc/errno.h
Roland McGrath 392d7920cd Mon Apr 29 00:11:59 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* errno.h [!__error_t_defined] (error_t): New type.
	* sysdeps/mach/hurd/errnos.awk: #define __error_t_defined after the
	typedef in errnos.h.

	* string/envz.c, string/envz.h: New files.
	* string/argz.h, string/argz-append.c, string/argz-count.c,
	string/argz-create.c, string/argz-delete.c, string/argz-extract.c,
	string/argz-insert.c, string/argz-stringify.c: New files.
	* string/Makefile (routines): Add envz, argz-*.
	(headers): Add argz.h, envz.h.
1996-04-29 05:21:53 +00:00

68 lines
2.2 KiB
C

/* Copyright (C) 1991, 92, 93, 94, 95, 96 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/*
* ANSI Standard: 4.1.3 Errors <errno.h>
*/
#ifndef _ERRNO_H
/* The includer defined __need_Emath if he wants only the definitions
of EDOM and ERANGE, and not everything else. */
#ifndef __need_Emath
#define _ERRNO_H 1
#include <features.h>
#endif
__BEGIN_DECLS
/* Get the error number constants from the system-specific file.
This file will test __need_Emath and _ERRNO_H. */
#include <errnos.h>
#undef __need_Emath
#ifdef _ERRNO_H
/* Declare the `errno' variable, unless it's defined as a macro by
errnos.h. This is the case in GNU, where it is a per-thread variable.
This redeclaration using the macro still works, but it will be a
function declaration without a prototype and may trigger a
-Wstrict-prototypes warning. */
#ifndef errno
extern int errno;
#endif
#ifdef __USE_GNU
/* The Hurd <errnos.h> defines `error_t' as an enumerated type
so that printing `error_t' values in the debugger shows the names. */
#ifndef __error_t_defined
typedef int error_t;
#define __error_t_defined 1
#endif
/* The full and simple forms of the name with which the program was
invoked. These variables are set up automatically at startup based on
the value of ARGV[0] (this works only if you use GNU ld). */
extern char *program_invocation_name, *program_invocation_short_name;
#endif
__END_DECLS
#endif
#endif /* errno.h */