The startup had fallen behind NetHack 5.0 startup for other platforms, and lacked support for some of the early command line options. Following this, if PC_EARLY_OPTIONS is defined in pcconf.h, the port will support those options, such as --version, --showpaths, --dumpenums, etc.) Currently, MSDOS #defines's PC_EARLY_OPTIONS, but AMIGA, ATARI, and MAC68K do not.