void mount_error(const char *, const char *, int);
void rpc_mount_errors(char *, int, int);
void sys_mount_errors(char *, int, int, int);
void umount_error(int, const char *);
void mount_error(const char *, const char *, int);
void rpc_mount_errors(char *, int, int);
void sys_mount_errors(char *, int, int, int);
void umount_error(int, const char *);