//#include <stdio.h>
//#include <stdlib.h>

#define ALLOC(ptr, type, nb) { ptr = (type*)malloc(sizeof(type)*(nb));\
	if (ptr == NULL) { fprintf(stderr,"Allocation error.\n");exit(1);}}

int main(int argc, char* argv[])
{
	int *test;
	ALLOC(test,int,3);
	return 0;
}