Function nginx::ASN1_sign

pub unsafe extern "C" fn ASN1_sign(
    i2d: i2d_of_void, 
    algor1: *mut X509_ALGOR, 
    algor2: *mut X509_ALGOR, 
    signature: *mut ASN1_BIT_STRING, 
    data: *mut c_char, 
    pkey: *mut EVP_PKEY, 
    type_: *const EVP_MD
) -> c_int