luaL_checkint
int i = luaL_checkint(L, 2);
int i = luaL_checkint(L, 1);
int base = luaL_checkint(L, 2);
return b_shift(L, luaL_checkunsigned(L, 1), luaL_checkint(L, 2));
return b_shift(L, luaL_checkunsigned(L, 1), -luaL_checkint(L, 2));
int i = luaL_checkint(L, 2);
return b_rot(L, luaL_checkint(L, 2));
return b_rot(L, -luaL_checkint(L, 2));
int f = luaL_checkint(L, farg);
int n = luaL_checkint(L, 2);
int c = luaL_checkint(L, i);
nb = str_sprintf(buff, form, luaL_checkint(L, arg));
last = luaL_opt(L, luaL_checkint, 4, luaL_len(L, 1));
e = luaL_opt(L, luaL_checkint, 3, luaL_len(L, 1));
pos = luaL_checkint(L, 2); /* 2nd argument is the position */