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#ifndef _ITC_H
#define _ITC_H
#include "common.h"
typedef struct itc_message_s itc_message;
struct itc_message_s {
int number;
void *data;
itc_message *older, *newer;
};
typedef struct {
itc_message *newest, *oldest;
SDL_mutex *mutex;
SDL_sem *sem;
} itc_chan;
void itc_chan_create(itc_chan *chan);
void itc_chan_destroy(itc_chan *chan);
void itc_chan_push(itc_chan *chan, int number, void *data);
int itc_chan_pop(itc_chan *chan, int *number, void **data);
int itc_chan_pop_block(itc_chan *chan, int *number, void **data);
#endif // _ITC_H
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