pub unsafe extern "C" fn webkit_credential_new(
username: *const c_char,
password: *const c_char,
persistence: WebKitCredentialPersistence,
) -> *mut WebKitCredential
pub unsafe extern "C" fn webkit_credential_new(
username: *const c_char,
password: *const c_char,
persistence: WebKitCredentialPersistence,
) -> *mut WebKitCredential