static GT_ACK (int fd, int req, char *buf);
static WR_REQ (int fd, int request, int cmdlen, char *cmd, int resplen);
static void hft_alrm(int sig);
static GT_ACK (int fd, int req, char *buf);
static WR_REQ (int fd, int request, int cmdlen, char *cmd, int resplen);
static void hft_alrm(int sig);