mailmap.hon commit builtin-gc.c: allow disabling all auto-gc'ing by assigning 0 to gc.auto (b14d255)
   1#ifndef MAILMAP_H
   2#define MAILMAP_H
   3
   4int read_mailmap(struct path_list *map, const char *filename, char **repo_abbrev);
   5int map_email(struct path_list *mailmap, const char *email, char *name, int maxlen);
   6
   7#endif