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Annotation of coherent/e/bin/pax/port.h, revision 1.1

1.1     ! root        1: /* $Source: /src386/usr/bin/pax/port.h,v $
        !             2:  *
        !             3:  * $Revision: 1.1 $
        !             4:  *
        !             5:  * port.h - defnitions for portability library
        !             6:  *
        !             7:  * DESCRIPTION
        !             8:  *
        !             9:  *     Header for maintaing portablilty across operating system and
        !            10:  *     version boundries.  For the most part, this file contains
        !            11:  *     definitions which map functions which have the same functionality
        !            12:  *     but different names on different systems, to have the same name.
        !            13:  *
        !            14:  * AUTHORS
        !            15:  *
        !            16:  *     Mark H. Colburn, NAPS International ([email protected])
        !            17:  *     John Gilmore (gnu@hoptoad)
        !            18:  *
        !            19:  * Sponsored by The USENIX Association for public distribution. 
        !            20:  *
        !            21:  * Copyright (c) 1989 Mark H. Colburn.
        !            22:  * All rights reserved.
        !            23:  *
        !            24:  * Redistribution and use in source and binary forms are permitted
        !            25:  * provided that the above copyright notice and this paragraph are
        !            26:  * duplicated in all such forms and that any documentation,
        !            27:  * advertising materials, and other materials related to such
        !            28:  * distribution and use acknowledge that the software was developed
        !            29:  * by Mark H. Colburn and sponsored by The USENIX Association. 
        !            30:  *
        !            31:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            32:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            33:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            34:  */
        !            35: 
        !            36: #ifndef _PAX_PORT_H
        !            37: #define _PAX_PORT_H
        !            38: 
        !            39: /*
        !            40:  * Everybody does wait() differently.  There seem to be no definitions for
        !            41:  * this in V7 (e.g. you are supposed to shift and mask things out using
        !            42:  * constant shifts and masks.)  In order to provide the functionality, here
        !            43:  * are some non standard but portable macros.  Don't change to a "union wait" 
        !            44:  * based approach -- the ordering of the elements of the struct depends on the 
        !            45:  * byte-sex of the machine. 
        !            46:  */
        !            47: 
        !            48: #define        TERM_SIGNAL(status)     ((status) & 0x7F)
        !            49: #define TERM_COREDUMP(status)  (((status) & 0x80) != 0)
        !            50: #define TERM_VALUE(status)     ((status) >> 8)
        !            51: 
        !            52: /*
        !            53:  * String library emulation definitions for the different variants of UNIX
        !            54:  */
        !            55: 
        !            56: #if defined(USG) 
        !            57: 
        !            58: #   include <string.h>
        !            59: #   include <memory.h>
        !            60: 
        !            61: #else /* USG */
        !            62: 
        !            63: /*
        !            64:  * The following functions are defined here since func.h has no idea which
        !            65:  * of the functions will actually be used.
        !            66:  */
        !            67: #  if __STDC__
        !            68: extern char *rindex(char *, char);
        !            69: extern char *index(char *, char);
        !            70: extern char *bcopy(char *, char *, unsigned int);
        !            71: extern char *bzero(char *, unsigned int);
        !            72: extern char *strcat(char *, char *);
        !            73: extern char *strcpy(char *, char *);
        !            74: #  else /* !__STDC__ */
        !            75: extern char *rindex();
        !            76: extern char *index();
        !            77: extern char *bcopy();
        !            78: extern char *bzero();
        !            79: extern char *strcat();
        !            80: extern char *strcpy();
        !            81: #  endif /* __STDC__ */
        !            82: 
        !            83: /*
        !            84:  * Map ANSI C compatible functions to V7 functions
        !            85:  */
        !            86: 
        !            87: #   define memcpy(a,b,n)       bcopy((b),(a),(n))
        !            88: #   define memset(a,b,n)       bzero((a),(n))
        !            89: #   define strrchr(s,c)                rindex(s,c)
        !            90: #   define strchr(s,c)         index(s,c)
        !            91: 
        !            92: #endif /* USG */
        !            93: #endif /* _PAX_PORT_H */

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