extern const char *git_committer_info(int);
extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int);
extern const char *fmt_name(const char *name, const char *email);
-extern const char *ident_default_name(void);
extern const char *ident_default_email(void);
-extern const char *ident_default_date(void);
extern const char *git_editor(void);
extern const char *git_pager(int stdout_is_tty);
extern int git_ident_config(const char *, const char *, void *);