Function krb5_sys::krb5_cc_retrieve_cred

pub unsafe extern "C" fn krb5_cc_retrieve_cred(
    context: krb5_context, 
    cache: krb5_ccache, 
    flags: krb5_flags, 
    mcreds: *mut krb5_creds, 
    creds: *mut krb5_creds
) -> krb5_error_code