Return whether a client custom extension of type ext_type is registered on ctx.
Declared in <openssl/ssl.h>
int
SSL_CTX_has_client_custom_ext(
SSL_CTX const* ctx,
unsigned int ext_type);1 if a client custom extension handler is registered, or 0 otherwise.
| Name | Description |
|---|---|
| ctx | SSL context to query. |
| ext_type | TLS extension type code. |