manpath_parseline
manpath_parseline(&conf->manpath, manpath_default, '\0');
static void manpath_parseline(struct manpaths *, char *, char);
manpath_parseline(&conf->manpath, pbeg, 'm');
manpath_parseline(&conf->manpath, pend, 'M');
manpath_parseline(&conf->manpath, pbeg, '\0');
manpath_parseline(&conf->manpath, pend, '\0');
manpath_parseline(dirs, path_base, '\0');