git ssb

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#pragma once
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typedef float play_fn(void *, double time, float in, unsigned char midi_cmd[3]);
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#define struct_init(ptr) _struct_init((void **)ptr, sizeof(*ptr))
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#define array_init(ptr, len) _struct_init((void **)ptr, sizeof(*ptr) * len)
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static inline int _struct_init(void **ptr, size_t size)
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{
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	if (*ptr) return 0;
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	if ((*ptr = calloc(size, 1))) return 0;
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	return 1;
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}
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extern play_fn play;
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