authorized_principals_file
if (options.authorized_principals_file == NULL)
return expand_authorized_keys(options.authorized_principals_file, pw);
char *authorized_principals_file(struct passwd *);
if ((principals_file = authorized_principals_file(pw)) != NULL) {
options->authorized_principals_file = NULL;
charptr = &options->authorized_principals_file;
o->authorized_principals_file);
CLEAR_ON_NONE(options->authorized_principals_file);
char *authorized_principals_file;
M_CP_STROPT(authorized_principals_file); \