lua_iscfunction 168 lib/lua/lbaselib.c if (lua_iscfunction(L, -1)) /* is a C function? */ lua_iscfunction 187 lib/lua/lbaselib.c else if (lua_iscfunction(L, -2) || lua_setfenv(L, -2) == 0) lua_iscfunction 615 lib/lua/lbaselib.c luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1), 1, lua_iscfunction 183 lib/lua/ldblib.c if (lua_iscfunction(L, 1)) return 0; /* cannot touch C upvalues from Lua */ lua_iscfunction 518 lib/lua/loadlib.c lua_iscfunction(L, -1)) lua_iscfunction 137 lib/lua/lua.h LUA_API int (lua_iscfunction) (lua_State *L, int idx);