zs_lock_chan
zs_lock_chan(cs);
zs_lock_chan(cs);
zs_lock_chan(cs);
zs_lock_chan(cs);
zs_lock_chan(cs);
zs_lock_chan(cs);
zs_lock_chan(cs);
zs_lock_chan(cs);
zs_lock_chan(cs);
zs_lock_chan(cs);
zs_lock_chan(cs);
zs_lock_chan(cs);
void zs_lock_chan(struct zs_chanstate *);