mailmap.hon commit Docs: send-email's usage text and man page mention same options (7ecbad9)
   1#ifndef MAILMAP_H
   2#define MAILMAP_H
   3
   4int read_mailmap(struct string_list *map, const char *filename, char **repo_abbrev);
   5int map_email(struct string_list *mailmap, const char *email, char *name, int maxlen);
   6
   7#endif