commit https://github.com/vim/vim/commit/e048539195e1c0a060cf41b39fca118130bdc151 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jul 12 21:17:03 2016 +0200 patch 7.4.2030 Problem: ARCH must be set properly when using MinGW. Solution: Detect the default value of ARCH from the current compiler. (Ken Takata)

/* if_lua.c */
int lua_enabled(int verbose);
void lua_end(void);
void ex_lua(exarg_T *eap);
void ex_luado(exarg_T *eap);
void ex_luafile(exarg_T *eap);
void lua_buffer_free(buf_T *o);
void lua_window_free(win_T *o);
void do_luaeval(char_u *str, typval_T *arg, typval_T *rettv);
int set_ref_in_lua(int copyID);
/* vim: set ft=c : */