UMEM_REDZONE_BYTE
else if (bp[UMEM_SIZE_DECODE(ip[1])] == UMEM_REDZONE_BYTE)
((uint8_t *)buf)[size] = UMEM_REDZONE_BYTE;
((uint8_t *)buf)[size] = UMEM_REDZONE_BYTE;
if (((uint8_t *)buf)[size] != UMEM_REDZONE_BYTE) {