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// Cribbed from ethereal, pointer to host endian swap
#define kptoh16(p) (uint16_t) ((uint16_t) * ((uint8_t *)(p) + 0) << 8 | \
(uint16_t) * ((uint8_t *)(p) + 1) << 0)
#define kptoh24(p) (uint32_t) ((uint32_t) * ((uint8_t *)(p) + 0) << 16 | \
(uint32_t) * ((uint8_t *)(p) + 1) << 8 | \
(uint32_t) * ((uint8_t *)(p) + 2) << 0)
#define kptoh32(p) (uint32_t) ((uint32_t) * ((uint8_t *)(p) + 0) << 24 | \
(uint32_t) * ((uint8_t *)(p) + 1) << 16 | \
(uint32_t) * ((uint8_t *)(p) + 2) << 8 | \
(uint32_t) * ((uint8_t *)(p) + 3) << 0)
#define kptoh64(p) (uint64_t) ((uint64_t) * ((uint8_t *)(p) + 7) << 56 | \
(uint64_t) * ((uint8_t *)(p) + 6) << 48 | \
(uint64_t) * ((uint8_t *)(p) + 5) << 40 | \
(uint64_t) * ((uint8_t *)(p) + 4) << 32 | \
(uint64_t) * ((uint8_t *)(p) + 3) << 24 | \
(uint64_t) * ((uint8_t *)(p) + 2) << 16 | \
(uint64_t) * ((uint8_t *)(p) + 1) << 8 | \
(uint64_t) * ((uint8_t *)(p) + 0) << 0)
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