INPUT_BUF_SIZE     52 kernel/console.c   char buf[INPUT_BUF_SIZE];
INPUT_BUF_SIZE    110 kernel/console.c     c = cons.buf[cons.r++ % INPUT_BUF_SIZE];
INPUT_BUF_SIZE    157 kernel/console.c            cons.buf[(cons.e - 1) % INPUT_BUF_SIZE] != '\n') {
INPUT_BUF_SIZE    170 kernel/console.c     if (c != 0 && cons.e - cons.r < INPUT_BUF_SIZE) {
INPUT_BUF_SIZE    177 kernel/console.c       cons.buf[cons.e++ % INPUT_BUF_SIZE] = c;
INPUT_BUF_SIZE    179 kernel/console.c       if (c == '\n' || c == C('D') || cons.e - cons.r == INPUT_BUF_SIZE) {