tq_buf 90 bsp/drv/dev/base/tty.c c = tq->tq_buf[tq->tq_head]; tq_buf 110 bsp/drv/dev/base/tty.c tq->tq_buf[tq->tq_tail] = (char)(c & 0xff); tq_buf 129 bsp/drv/dev/base/tty.c c = tq->tq_buf[tq->tq_tail]; tq_buf 48 bsp/drv/include/tty.h char tq_buf[TTYQ_SIZE];