gistfile1.txt

#define STRUCTEQ_SAFE(t, ...)			 \
	static inline bool structeq_##t(const struct t *a, const struct t *b) \
	{								\
		return CPPMAGIC_JOIN(&&, STRUCTEQ_MAP2(STRUCTEQ_MEMBEREQ_, t, __VA_ARGS__)); \
	}

#define STRUCTEQ_MEMBEREQ_(t, m) \
	(memcmp(&a->m, &b->m, sizeof(a->m)) == 0)

/* Stolen from cppmagic, but with a extra arg added. */
#define _STRUCTEQ_MAP2_()		_STRUCTEQ_MAP2
#define _STRUCTEQ_MAP2(m_, a1_, a_, ...)				\
	m_(a1_, a_)							\
	CPPMAGIC_IFELSE(CPPMAGIC_NONEMPTY(__VA_ARGS__))			\
	(, CPPMAGIC_DEFER2(_STRUCTEQ_MAP2_)()(m_, a1_, __VA_ARGS__))	\
		()
#define STRUCTEQ_MAP2(m_, a1_, ...)					\
	CPPMAGIC_IFELSE(CPPMAGIC_NONEMPTY(__VA_ARGS__))			\
	(CPPMAGIC_EVAL(_STRUCTEQ_MAP2(m_, a1_, __VA_ARGS__)))		\
		()

#include <stdint.h>
#include <stdio.h>
#include <stddef.h>
#include <string.h>
#include <ccan/structeq/structeq.h>

struct short_channel_id {
	uint16_t outnum;
	uint64_t blocknum;
	uint32_t txnum;
};

STRUCTEQ_MAP2(STRUCTEQ_MEMBEREQ_, t, a, b)
//CPPMAGIC_JOIN(&&, 1, STRUCTEQ_MAP2(STRUCTEQ_MEMBEREQ_, t, a, b))
//STRUCTEQ_SAFE(short_channel_id, outnum, blocknum, txnum);