©2004 by Marc J. Rochkind. All rights reserved. Portions marked "Open Source" may be copied under license.

 

                 

---

c1/suvreq.c

Go to the documentation of this file.

/*
    Asking the system what it has
    AUP2, Sec. 1.05.3

    Copyright 2003 by Marc J. Rochkind. All rights reserved.
    May be copied only for purposes and under conditions described
    on the Web page www.basepath.com/aup/copyright.htm.

    The Example Files are provided "as is," without any warranty;
    without even the implied warranty of merchantability or fitness
    for a particular purpose. The author and his publisher are not
    responsible for any damages, direct or incidental, resulting
    from the use or non-use of these Example Files.

    The Example Files may contain defects, and some contain deliberate
    coding mistakes that were included for educational reasons.
    You are responsible for determining if and how the Example Files
    are to be used.

*/
#define SUV_SUS2

#if 1
#include "suvreq.h"
#endif
#include <unistd.h>
#include <stdio.h>

int main(void)
{
    printf("Request:\n");

#ifdef _POSIX_SOURCE
    printf("\t_POSIX_SOURCE defined\n");
    printf("\t_POSIX_C_SOURCE = %ld\n", (long)_POSIX_C_SOURCE);
#else
    printf("\t_POSIX_SOURCE undefined\n");
#endif

#ifdef _XOPEN_SOURCE
    #if _XOPEN_SOURCE == 0
        printf("\t_XOPEN_SOURCE defined (0 or no value)\n");
    #else
        printf("\t_XOPEN_SOURCE = %d\n", _XOPEN_SOURCE);
    #endif
#else
    printf("\t_XOPEN_SOURCE undefined\n");
#endif

#ifdef _XOPEN_SOURCE_EXTENDED
    printf("\t_XOPEN_SOURCE_EXTENDED defined\n");
#else
    printf("\t_XOPEN_SOURCE_EXTENDED undefined\n");
#endif

    printf("Claims:\n");
#ifdef _POSIX_VERSION
    printf("\t_POSIX_VERSION = %ld\n", (long)_POSIX_VERSION);
#else
    printf("\tNot POSIX\n");
#endif

#ifdef _XOPEN_UNIX
    printf("\tX/Open\n");
    #ifdef _XOPEN_VERSION
        printf("\t_XOPEN_VERSION = %d\n", _XOPEN_VERSION);
    #else
        printf("\tError: _XOPEN_UNIX defined, but not _XOPEN_VERSION\n");
    #endif
#else
    printf("\tNot X/Open\n");
#endif

    return 0;


}

---