SMFS_INMSG
m->mf_state != SMFS_INMSG)
m->mf_state = SMFS_INMSG;
(m->mf_state != SMFS_OPEN && m->mf_state != SMFS_INMSG))
case SMFS_INMSG:
case SMFS_INMSG:
(m->mf_state != SMFS_OPEN && m->mf_state != SMFS_INMSG))
m->mf_state = SMFS_INMSG;
if (m->mf_sock < 0 || m->mf_state != SMFS_INMSG)