[Gammix]

Код:

public OnPlayerConnect(playerid)
{
    #if defined MyLib_OnPlayerConnect
        MyLib_OnPlayerConnect(playerid);
    #endif
    return 1;
}
#if defined _ALS_OnPlayerConnect
    #undef OnPlayerConnect
#else
    #define _ALS_OnPlayerConnect
#endif
#define OnPlayerConnect MyLib_OnPlayerConnect
#if defined MyLib_OnPlayerConnect
    forward MyLib_OnPlayerConnect(playerid);
#endif

You should add an else statement in case of returning 1 in callbacks; Because we don't always have to return 1 in callbacks.

Код:

public OnPlayerConnect(playerid)
{
    #if defined MyLib_OnPlayerConnect
        MyLib_OnPlayerConnect(playerid);
    #else
   	 	return 1;
	#endif

}
#if defined _ALS_OnPlayerConnect
    #undef OnPlayerConnect
#else
    #define _ALS_OnPlayerConnect
#endif
#define OnPlayerConnect MyLib_OnPlayerConnect
#if defined MyLib_OnPlayerConnect
    forward MyLib_OnPlayerConnect(playerid);
#endif