Constant openssl_sys::X509_V_FLAG_PARTIAL_CHAIN
pub const X509_V_FLAG_PARTIAL_CHAIN: c_ulong = 0x80000;
The portability is definied by:
#[cfg(ossl102)]
pub const X509_V_FLAG_PARTIAL_CHAIN: c_ulong = 0x80000;
#[cfg(ossl102)]