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Annotation of GNUtools/debug/gdb/include/ansidecl.h, revision 1.1

1.1     ! root        1: /* ANSI and traditional C compatability macros
        !             2:    Copyright 1991 Free Software Foundation, Inc.
        !             3:    This file is part of the GNU C Library.
        !             4: 
        !             5: This program is free software; you can redistribute it and/or modify
        !             6: it under the terms of the GNU General Public License as published by
        !             7: the Free Software Foundation; either version 2 of the License, or
        !             8: (at your option) any later version.
        !             9: 
        !            10: This program is distributed in the hope that it will be useful,
        !            11: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            13: GNU General Public License for more details.
        !            14: 
        !            15: You should have received a copy of the GNU General Public License
        !            16: along with this program; if not, write to the Free Software
        !            17: Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            18: 
        !            19: /* ANSI and traditional C compatibility macros
        !            20: 
        !            21:    ANSI C is assumed if __STDC__ is #defined.
        !            22: 
        !            23:    Macro       ANSI C definition       Traditional C definition
        !            24:    -----       ---- - ----------       ----------- - ----------
        !            25:    PTR         `void *'                `char *'
        !            26:    LONG_DOUBLE `long double'           `double'
        !            27:    CONST       `const'                 `'
        !            28:    VOLATILE    `volatile'              `'
        !            29:    SIGNED      `signed'                `'
        !            30:    PTRCONST    `void *const'           `char *'
        !            31: 
        !            32:    DEFUN(name, arglist, args)
        !            33: 
        !            34:        Defines function NAME.
        !            35: 
        !            36:        ARGLIST lists the arguments, separated by commas and enclosed in
        !            37:        parentheses.  ARGLIST becomes the argument list in traditional C.
        !            38: 
        !            39:        ARGS list the arguments with their types.  It becomes a prototype in
        !            40:        ANSI C, and the type declarations in traditional C.  Arguments should
        !            41:        be separated with `AND'.  For functions with a variable number of
        !            42:        arguments, the last thing listed should be `DOTS'.
        !            43: 
        !            44:    DEFUN_VOID(name)
        !            45: 
        !            46:        Defines a function NAME, which takes no arguments.
        !            47: 
        !            48:    EXFUN(name, prototype)
        !            49: 
        !            50:        Is used in an external function declaration.
        !            51:        In ANSI C it is `NAMEPROTOTYPE' (so PROTOTYPE should be enclosed in
        !            52:        parentheses).  In traditional C it is `NAME()'.
        !            53:        For a function that takes no arguments, PROTOTYPE should be `(NOARGS)'.
        !            54: 
        !            55:     For example:
        !            56:        extern int EXFUN(printf, (CONST char *format DOTS));
        !            57:        int DEFUN(fprintf, (stream, format),
        !            58:                  FILE *stream AND CONST char *format DOTS) { ... }
        !            59:        void DEFUN_VOID(abort) { ... }
        !            60: */
        !            61: 
        !            62: #ifndef        _ANSIDECL_H
        !            63: 
        !            64: #define        _ANSIDECL_H     1
        !            65: 
        !            66: 
        !            67: /* Every source file includes this file,
        !            68:    so they will all get the switch for lint.  */
        !            69: /* LINTLIBRARY */
        !            70: 
        !            71: 
        !            72: #ifdef __STDC__
        !            73: 
        !            74: #define        PTR             void *
        !            75: #define        PTRCONST        void *CONST
        !            76: #define        LONG_DOUBLE     long double
        !            77: 
        !            78: #define        AND             ,
        !            79: #define        NOARGS          void
        !            80: #define        CONST           const
        !            81: #define        VOLATILE        volatile
        !            82: #define        SIGNED          signed
        !            83: #define        DOTS            , ...
        !            84: 
        !            85: #define        EXFUN(name, proto)              name proto
        !            86: #define        DEFUN(name, arglist, args)      name(args)
        !            87: #define        DEFUN_VOID(name)                name(NOARGS)
        !            88: 
        !            89: #define PROTO(type, name, arglist) type name arglist
        !            90: 
        !            91: /* We could use the EXFUN macro to handle prototypes, but
        !            92:    the name is misleading and the result is ugly.  So just define a
        !            93:    simple macro to handle the parameter lists, as in:
        !            94: 
        !            95:        static int foo PARAMS ((int, char));
        !            96: 
        !            97:    EXFUN would do it like this:
        !            98: 
        !            99:        static int EXFUN (foo, (int, char));
        !           100: 
        !           101:    but the function is not external...  EXFUN should be considered
        !           102:    obsolete, and new code written to use PARAMS.  */
        !           103: 
        !           104: #define PARAMS(paramlist) paramlist
        !           105: 
        !           106: #else  /* Not ANSI C.  */
        !           107: 
        !           108: #define        PTR             char *
        !           109: #define        PTRCONST        PTR
        !           110: #define        LONG_DOUBLE     double
        !           111: 
        !           112: #define        AND             ;
        !           113: #define        NOARGS
        !           114: #define        CONST
        !           115: #define        VOLATILE
        !           116: #define        SIGNED
        !           117: #define        DOTS
        !           118: 
        !           119: #define        EXFUN(name, proto)              name()
        !           120: #define        DEFUN(name, arglist, args)      name arglist args;
        !           121: #define        DEFUN_VOID(name)                name()
        !           122: #define PROTO(type, name, arglist) type name ()
        !           123: #define PARAMS(paramlist)              ()
        !           124: 
        !           125: #endif /* ANSI C.  */
        !           126: 
        !           127: #endif /* ansidecl.h   */

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