Function SSLGetPeerDomainNameLength 

pub unsafe extern "C-unwind" fn SSLGetPeerDomainNameLength(
    context: &SSLContext,
    peer_name_len: NonNull<usize>,
) -> i32

👎Deprecated: No longer supported. Use Network.framework.

Available on crate feature SecureTransport only.

Safety

peer_name_len must be a valid pointer.