13 #if defined(_WIN32) || defined(_MSDOS) || defined(_OS2) 14 # define SID_FS_IS_COLON_AND_BACKSLASH_AND_SLASH 15 #elif defined(__APPLE__) && defined(__MACH__) 16 # define SID_FS_IS_COLON 18 # define SID_FS_IS_COLON_AND_SLASH 20 # define SID_FS_IS_SLASH