47     const char *cptr = ptr;  in __chksum()  local
50 	uint64_t h0 = load32(cptr + 0);  in __chksum()
51 	uint64_t h1 = load32(cptr + 4);  in __chksum()
52 	uint64_t h2 = load32(cptr + 8);  in __chksum()
53 	uint64_t h3 = load32(cptr + 12);  in __chksum()
55 	cptr += 16;  in __chksum()
63 	sum += load32(cptr);  in __chksum()
64 	cptr += 4;  in __chksum()
71 	sum += load16(cptr);  in __chksum()
72 	cptr += 2;  in __chksum()
77 	sum += *(uint8_t *)cptr;  in __chksum()