volatile uint8_t *uart_data = (volatile uint8_t *)0xF03000; /* UART data */
volatile uint8_t *uart_status = (volatile uint8_t *)0xF03010; /* UART status */
-unsigned char tbuf1[TTYSIZ];
+static unsigned char tbuf1[TTYSIZ];
struct s_queue ttyinq[NUM_DEV_TTY + 1] = { /* ttyinq[0] is never used */
{NULL, NULL, NULL, 0, 0, 0},
volatile uint8_t *uart_data = (volatile uint8_t *)0xF03000; /* UART data */
volatile uint8_t *uart_status = (volatile uint8_t *)0xF03010; /* UART status */
-unsigned char tbuf1[TTYSIZ];
+static unsigned char tbuf1[TTYSIZ];
struct s_queue ttyinq[NUM_DEV_TTY + 1] = { /* ttyinq[0] is never used */
{NULL, NULL, NULL, 0, 0, 0},