Actor variable

how to change declared Actor variable?
MyActor.actorvariable=5;
short int ActorVar1[65535];
#define _Player ActarVar1[0]
#define _Enemy1 ActorVar1[1]
variable = 0;
actor.variable=0;
int i;
postac_rycerz_pion.sila+=1;
i=getclone ("postac_rycerz_pion.0")->sila;
if (i>3)
{
DestroyActor("Event Actor");
}
getclone ("postac_rycerz_pion.0")->sila += 1; // This changes postac_rycerz_pion.0's sila variable only
actor.r=0; // sets the r of the clone with the lowest cloneindex
CreateActor("actor", "icon", "(none)", "(none)", 0, 0, false);
actor.r=0; // sets the newly created actor's r to 0