add_authn_provider   98 modules/aaa/mod_auth_basic.c     AP_INIT_ITERATE("AuthBasicProvider", add_authn_provider, NULL, OR_AUTHCFG,
add_authn_provider  637 modules/aaa/mod_auth_digest.c     AP_INIT_ITERATE("AuthDigestProvider", add_authn_provider, NULL, OR_AUTHCFG,