patch 8.1.0230: directly checking 'buftype' value commit https://github.com/vim/vim/commit/91335e5a67aaa9937e65f1e779b9f3f10fd33ee4 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Aug 1 17:53:12 2018 +0200 patch 8.1.0230: directly checking 'buftype' value Problem: Directly checking 'buftype' value. Solution: Add the bt_normal() function. (Yegappan Lakshmanan)

/* 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 : */