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#pragma once
#define UNUSED_STATIC_INLINE __attribute__((unused)) static inline
#define LET_LOOP__(expr, ctr) \
if (0) \
__done_##ctr: continue; \
else if (0) \
__break_##ctr: break; \
else \
for (expr; ;) \
if (1) \
goto __body_##ctr; \
else \
for (;;) \
if (1) \
goto __break_##ctr; \
else \
for (;;) \
if (1) \
goto __done_##ctr; \
else \
__body_##ctr:
#define LET_LOOP_(expr, ctr) LET_LOOP__(expr, ctr)
#define LET_LOOP(expr) LET_LOOP_(expr, __COUNTER__)
#define LET__(expr, ctr) \
if (0) \
__done_##ctr:; \
else \
for (expr; ;) \
if (1) \
goto __body_##ctr; \
else \
for (;;) \
if (1) \
goto __done_##ctr; \
else \
__body_##ctr:
#define LET_(expr, ctr) LET__(expr, ctr)
#define LET(expr) LET_(expr, __COUNTER__)
/* XXX */
#define safe_mul(a, b) ((a) * (b))
#define safe_add(a, b) ((a) + (b))
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