···343435353636/**3737- * Check for special chars at start of input.3737+ * ctrlchar_handle - check for special chars at start of input3838 *3939- * @param buf Console input buffer.4040- * @param len Length of valid data in buffer.4141- * @param tty The tty struct for this console.4242- * @return CTRLCHAR_NONE, if nothing matched,3939+ * @buf: console input buffer4040+ * @len: length of valid data in buffer4141+ * @tty: the tty struct for this console4242+ *4343+ * Return: CTRLCHAR_NONE, if nothing matched,4344 * CTRLCHAR_SYSRQ, if sysrq was encountered4445 * otherwise char to be inserted logically or'ed4546 * with CTRLCHAR_CTRL