extern int fmt_merge_msg(struct strbuf *in, struct strbuf *out,
struct fmt_merge_msg_opts *);
-extern int textconv_object(const char *path, unsigned mode, const struct object_id *oid, int oid_valid, char **buf, unsigned long *buf_size);
-
extern int is_builtin(const char *s);
extern int cmd_add(int argc, const char **argv, const char *prefix);