Function SSLSetPeerDomainName 

pub unsafe extern "C-unwind" fn SSLSetPeerDomainName(
    context: &SSLContext,
    peer_name: *const c_char,
    peer_name_len: usize,
) -> i32

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

Available on crate feature SecureTransport only.

Safety

peer_name must be a valid pointer or null.