wps_registrar_add_pin() function
wps_registrar_add_pin - Configure a new PIN for Registrar @reg: Registrar data from wps_registrar_init() @addr: Enrollee MAC address or %NULL if not known @uuid: UUID-E or %NULL for wildcard (any UUID) @pin: PIN (Device Password) @pin_len: Length of pin in octets @timeout: Time (in seconds) when the PIN will be invalidated; 0 = no timeout Returns: 0 on success, -1 on failure