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Annotation of prex-old/include/i386/ansi.h, Revision 1.1.1.1

1.1       nbrk        1: /*-
                      2:  * Copyright (c) 1990, 1993
                      3:  *     The Regents of the University of California.  All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. Neither the name of the University nor the names of its contributors
                     14:  *    may be used to endorse or promote products derived from this software
                     15:  *    without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  *
                     29:  *     @(#)ansi.h      8.2 (Berkeley) 1/4/94
                     30:  */
                     31:
                     32: #ifndef        _I386_ANSI_H
                     33: #define        _I386_ANSI_H
                     34:
                     35: #include <sys/cdefs.h>
                     36:
                     37: /*
                     38:  * Types which are fundamental to the implementation and may appear in
                     39:  * more than one standard header are defined here.  Standard headers
                     40:  * then use:
                     41:  *     #ifdef  _BSD_SIZE_T_
                     42:  *     typedef _BSD_SIZE_T_ size_t;
                     43:  *     #undef  _BSD_SIZE_T_
                     44:  *     #endif
                     45:  */
                     46: #define        _BSD_CLOCK_T_           unsigned long   /* clock() */
                     47: #define        _BSD_PTRDIFF_T_         int             /* ptr1 - ptr2 */
                     48: #define        _BSD_SIZE_T_            unsigned int    /* sizeof() */
                     49: #define        _BSD_SSIZE_T_           int             /* byte count or error */
                     50: #define        _BSD_TIME_T_            long            /* time() */
                     51: #ifdef __GNUC__
                     52: #define        _BSD_VA_LIST_           __builtin_va_list /* GCC built-in type */
                     53: #else
                     54: #define        _BSD_VA_LIST_           char *          /* va_list */
                     55: #endif
                     56: /*
                     57:  * Runes (wchar_t) is declared to be an ``int'' instead of the more natural
                     58:  * ``unsigned long'' or ``long''.  Two things are happening here.  It is not
                     59:  * unsigned so that EOF (-1) can be naturally assigned to it and used.  Also,
                     60:  * it looks like 10646 will be a 31 bit standard.  This means that if your
                     61:  * ints cannot hold 32 bits, you will be in trouble.  The reason an int was
                     62:  * chosen over a long is that the is*() and to*() routines take ints (says
                     63:  * ANSI C), but they use _RUNE_T_ instead of int.  By changing it here, you
                     64:  * lose a bit of ANSI conformance, but your programs will still work.
                     65:  *
                     66:  * Note that _WCHAR_T_ and _RUNE_T_ must be of the same type.  When wchar_t
                     67:  * and rune_t are typedef'd, _WCHAR_T_ will be undef'd, but _RUNE_T remains
                     68:  * defined for ctype.h.
                     69:  */
                     70: #define        _BSD_WCHAR_T_           int             /* wchar_t */
                     71: #define        _BSD_RUNE_T_            int             /* rune_t */
                     72:
                     73: #endif /* _I386_ANSI_H */