$darkmode
Slated for removal in 0.3.0. Drive the state machine via m2k_run() or the step API (m2k_get_pollfds + m2k_step) and let the AT lexer dispatch the dial.
Slated for removal in 0.3.0. Use m2k_run() or the step API (m2k_get_pollfds + m2k_step) instead — they share one state-machine implementation with the rest of the library.