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							#ifndef SIDEBAND_H
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							#define SIDEBAND_H
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							#define SIDEBAND_PROTOCOL_ERROR -2
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							#define SIDEBAND_REMOTE_ERROR -1
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							int recv_sideband(const char *me, int in_stream, int out);
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							ssize_t send_sideband(int fd, int band, const char *data, ssize_t sz, int packet_max);
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							#endif
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