pub unsafe extern "C" fn X509_get0_signature(
psig: *mut *const ASN1_BIT_STRING,
palg: *mut *const X509_ALGOR,
x: *const X509,
)
pub unsafe extern "C" fn X509_get0_signature(
psig: *mut *const ASN1_BIT_STRING,
palg: *mut *const X509_ALGOR,
x: *const X509,
)