Function esp_idf_hal::sys::cfsetospeed

pub unsafe extern "C" fn cfsetospeed(p: *mut termios, sp: u32) -> i32

@brief Set output baud rate in the termios structure

There is no effect in hardware until a subsequent call of tcsetattr().

@param p input termios structure @param sp output baud rate @return 0 when successful, -1 otherwise with errno set