Remove unused HAS_LFN_SUPPORT
# define _setmode setmode
# define _O_TEXT O_TEXT
# define _O_BINARY O_BINARY
-# define HAS_LFN_SUPPORT(name) (pathconf((name), _PC_NAME_MAX) > 12)
# undef DEVRANDOM_EGD /* Neither MS-DOS nor FreeDOS provide 'egd' sockets. */
# undef DEVRANDOM
# define DEVRANDOM "/dev/urandom\x24"
