#include <sys/time.h>
#include <stdbool.h>
#include <stdlib.h>
+#include <stdio.h>
typedef uint64_t usec_t;
int close_all_fds(const int except[], unsigned n_except);
+bool fstype_is_network(const char *fstype);
+
+int chvt(int vt);
+
+int read_one_char(FILE *f, char *ret, bool *need_nl);
+int ask(char *ret, const char *replies, const char *text, ...);
+
+int reset_terminal(int fd);
+int open_terminal(const char *name, int mode);
+int acquire_terminal(const char *name, bool fail, bool force);
+int release_terminal(void);
+
+int flush_fd(int fd);
+
+int ignore_signal(int sig);
+
extern char * __progname;
const char *ioprio_class_to_string(int i);