WithGoTo.c

void f(void) {
  	void *a = NULL;
	void *b = NULL;
	void *c = NULL;

	a = malloc(32);
	//...
	if(cond1) goto cleanup;

	b = malloc(64);
  	//...
	if(cond2) goto cleanup;
  
	c = malloc(128);
	//...
cleanup:
	if(a) free(a);
	if(b) free(b);
	if(c) free(c);
}