Function luajit2_sys::luaL_checkoption

pub unsafe extern "C" fn luaL_checkoption(
    L: *mut lua_State, 
    narg: c_int, 
    def: *const c_char, 
    lst: *const *const c_char
) -> c_int

https://www.lua.org/manual/5.1/manual.html#luaL_checkoption