modernc.org/cc@v1.0.1/v2/headers/linux_386/usr/include/errno.h (about)

     1  /* Copyright (C) 1991-2018 Free Software Foundation, Inc.
     2     This file is part of the GNU C Library.
     3  
     4     The GNU C Library is free software; you can redistribute it and/or
     5     modify it under the terms of the GNU Lesser General Public
     6     License as published by the Free Software Foundation; either
     7     version 2.1 of the License, or (at your option) any later version.
     8  
     9     The GNU C Library is distributed in the hope that it will be useful,
    10     but WITHOUT ANY WARRANTY; without even the implied warranty of
    11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    12     Lesser General Public License for more details.
    13  
    14     You should have received a copy of the GNU Lesser General Public
    15     License along with the GNU C Library; if not, see
    16     <http://www.gnu.org/licenses/>.  */
    17  
    18  /*
    19   *	ISO C99 Standard: 7.5 Errors	<errno.h>
    20   */
    21  
    22  #ifndef	_ERRNO_H
    23  #define	_ERRNO_H 1
    24  
    25  #include <features.h>
    26  
    27  /* The system-specific definitions of the E* constants, as macros.  */
    28  #include <bits/errno.h>
    29  
    30  /* When included from assembly language, this header only provides the
    31     E* constants.  */
    32  #ifndef __ASSEMBLER__
    33  
    34  __BEGIN_DECLS
    35  /* The error code set by various library functions.  */
    36  extern int *__errno_location(void)
    37  __THROW __attribute_const__;
    38  # define errno (*__errno_location ())
    39  
    40  # ifdef __USE_GNU
    41  
    42  /* The full and simple forms of the name with which the program was
    43     invoked.  These variables are set up automatically at startup based on
    44     the value of argv[0].  */
    45  extern char *program_invocation_name;
    46  extern char *program_invocation_short_name;
    47  
    48  /* bits/errno.h may have defined this type.  If it didn't, provide a
    49     fallback definition.  */
    50  #  ifndef __error_t_defined
    51  #   define __error_t_defined 1
    52  typedef int error_t;
    53  #  endif
    54  
    55  # endif				/* __USE_GNU */
    56  
    57  __END_DECLS
    58  #endif				/* !__ASSEMBLER__ */
    59  #endif				/* errno.h */