return 0; 
return NULL; 
memHeap_t *via_mmInit(int ofs, int size){	PMemBlock blocks;	if (size <= 0)		return 0;	blocks = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER);	if (blocks) {		blocks->ofs = ofs;		blocks->size = size;		blocks->free = 1;		return (memHeap_t *) blocks;	} else		return 0;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/bbaf364103cee15c895e2086723d0ad9ef47ae99/via_ds.c/clean/drivers/char/drm/via_ds.c