Function lua_pcall

Source/Misc/lua/src/lua.c:2654–2674

LUA_API int lua_pcall (lua_State *L, int nargs, int nresults, int errfunc) {
struct CallS c;
int status;
ptrdiff_t func;
lua_lock(L);
api_checknelems(L, nargs+1);
checkresults(L, nargs, nresults);
if (errfunc == 0)
func = 0;
else {
StkId o = index2adr(L, errfunc);
api_checkvalidindex(L, o);
func = savestack(L, o);
}
c.func = L->top - (nargs+1);  /* function to be called */
c.nresults = nresults;
status = luaD_pcall(L, f_call, &c, savestack(L, c.func), func);
adjustresults(L, nresults);
lua_unlock(L);
return status;
}


/*