Modifying Open Source Software


Portable and Platform-specific modifications
#if defined(HAVE_FOOBAR)
#if defined(NEED_FOOBAR)
#if defined(__USLC__) || defined(_SCO_DS)
Can Usually Copy Solaris
#if defined(SOLARIS) || defined(__USLC__)
POSIX, XPG4, UNIX 95, UNIX 98
Use the man command
See the excellent white paper
        http://www.sco.com/forum1999/conference/develop/d16/