| LUAL_OPTLONG(3) | Library Functions Manual | LUAL_OPTLONG(3) |
luaL_optlong —
casts a number to a long, function indicator [-0, +0,
v]
#include
<lauxlib.h>
long
luaL_optlong(lua_State
*L, int narg,
long d);
luaL_optlong()
if the function argument narg is a number, returns this number cast to a
long. If this argument is absent or is nil, returns
d. Otherwise, raises an error.
Roberto Ierusalimschy, Luiz Henrique de Figueiredo, and Waldemar Celes, Lua 5.1 Reference Manual.
The luaL_optlong() manual page is based on
Lua Reference Manual 5.1 and was created by Sergey Bronnikov.
| July 26, 2022 | Debian |