1 #if defined(linux) || defined(IRIX) || defined(SOLARIS) || defined(OSF1) || defined(__FreeBSD__) || defined(__APPLE__) || defined(__NetBSD__) || defined(__sun) || defined(sun) || defined(__OpenBSD__) 2 # include "unix.h" 3 # ifdef __APPLE__ 4 # define panic dt_panic 5 # endif 6 #elif defined(WINDOWS) 7 # include "9windows.h" 8 # define main mymain 9 #else 10 # error "Define an OS" 11 #endif 12 13 #ifdef IRIX 14 typedef int socklen_t; 15 #endif 16