lua_stdin_is_tty 253 lib/lua/luaconf.h #define lua_stdin_is_tty() isatty(0) lua_stdin_is_tty 257 lib/lua/luaconf.h #define lua_stdin_is_tty() _isatty(_fileno(stdin)) lua_stdin_is_tty 259 lib/lua/luaconf.h #define lua_stdin_is_tty() 1 /* assume stdin is a tty */