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