ya aslinda cok basit.

function butona_tiklayinca_calisan_fonk(){
sys_exit(" ");//mesela
}


PANEL* asdasd = {
button(x, y, normal_haldeki_bmap, bmapOff, ustune_gleinceki_bmap, butona_tiklayinca_calisan_fonk, functionOff, ustune_gelince_calisanfonk);
flags = VISIBLE;
}