yrmcds_add yrmcds_append yrmcds_close yrmcds_connect yrmcds_decr yrmcds_decr2 yrmcds_fileno yrmcds_flush yrmcds_get yrmcds_get_touch yrmcds_getk yrmcds_getk_touch yrmcds_incr yrmcds_incr2 yrmcds_keys yrmcds_lock yrmcds_lock_get yrmcds_lock_getk yrmcds_noop yrmcds_prepend yrmcds_quit yrmcds_recv yrmcds_remove yrmcds_replace yrmcds_replace_unlock yrmcds_set yrmcds_set_compression yrmcds_set_timeout yrmcds_shutdown yrmcds_stat_general yrmcds_stat_items yrmcds_stat_settings yrmcds_stat_sizes yrmcds_strerror yrmcds_text_mode yrmcds_touch yrmcds_unlock yrmcds_unlockall yrmcds_version

yrmcds_error yrmcds_lock ( yrmcds *  c, const char *  key, size_t  key_len, int  quiet, uint32_t *  serial  ) Send Lock/LockQ command. Parameters c A pointer to yrmcds. key Key data. key_len Length of key. quiet 0 to send Lock, other values to send LockQ. serial A pointer to uint32_t, or NULL. Returns 0 if succeeded. Other values indicate an error. This function sends Lock/LockQ command to the server. If serial is not NULL, the serial number of the request will be stored if the command was sent successfully.