/* Writes string S to the console, followed by a new-line
character. */
int puts (const char *s) {
acquire_console ();
while (*s != '\0')
putchar_have_lock (*s++);
putchar_have_lock ('\n');
release_console ();
return 0;
}
/* Helper function for vprintf(). */
static void
vprintf_helper (char c, void *char_cnt_)
{
int *char_cnt = char_cnt_;
(*char_cnt)++;
putchar_have_lock (c);
}
/* Writes C to the video display and serial port. */
int putchar (int c) {
acquire_console ();
putchar_have_lock (c);
release_console ();
return c;
}
/* Writes the N characters in BUFFER to the console. */
void
putbuf (const char *buffer, size_t n)
{
acquire_console ();
while (n-- > 0)
putchar_have_lock (*buffer++);
release_console ();
}
