From: "Traveler" <traveler AT netti DOT fi>
Newsgroups: comp.os.msdos.djgpp
Subject: Making OS-independent code little easier...
Date: Sun, 29 Jul 2001 15:02:45 +0300
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#ifndef    __OS__H
#define    __OS_H

#ifndef    __LINUX__
    #ifdef    LINUX
        #define    __LINUX__    LINUX
    #elif    linux
        #define    __LINUX__    linux
    #endif
#endif

#ifndef    __MAC__
    #ifdef    MAC
        #define    __MAC__    MAC
    #elif    mac
        #define    __MAC__    mac
    #endif
#endif

#ifndef    __MSDOS__
    #ifdef    MSDOS
        #define    __MSDOS__    MSDOS
    #elif    msdos
        #define    __MSDOS__    msdos
    #endif
#endif

#ifndef    __UNIX__
    #ifdef    UNIX
        #define    __UNIX__    UNIX
    #elif    unix
        #define    __UNIX__    unix
    #endif
#endif

#ifndef    __WINDOWS__
    #ifdef    WINDOWS
        #define    __WINDOWS__    WINDOWS
    #elif    windows
        #define    __WINDOWS__    windows
    #endif
#endif

#endif

Traveler
traveler AT netti DOT fi