console: locking and tty check

kernel-src/include/kernel/console.h

@@ -2,11 +2,15 @@
 #define _CONSOLE_H
 
 #include <stddef.h>
+#include <stdbool.h>
 #include <kernel/input.h>
+#include <kernel/tty.h>
 
 void console_init();
 void console_putc(char c);
 size_t console_write(char *str, size_t size);
 void console_process_events(input_event_t *events, int count);
+int console_set_lock(bool lock);
+bool console_is_tty(tty_t *p);
 
 #endif