SMSG_PREFIX
if (!cmm_skip_blanks(msg + strlen(SMSG_PREFIX), &msg))
rc = smsg_register_callback(SMSG_PREFIX, cmm_smsg_target);
smsg_unregister_callback(SMSG_PREFIX, cmm_smsg_target);
smsg_unregister_callback(SMSG_PREFIX, cmm_smsg_target);
msg += strlen(SMSG_PREFIX);
rc = smsg_register_callback(SMSG_PREFIX, smsg_app_callback);
smsg_unregister_callback(SMSG_PREFIX, smsg_app_callback);
strlen(SMSG_PREFIX) + 1)
SMSG_PREFIX);