* https://www.openssl.org/source/license.html
*/
-#ifndef HEADER_COMP_H
-# define HEADER_COMP_H
+#ifndef OPENSSL_COMP_H
+# define OPENSSL_COMP_H
+# pragma once
+
+# include <openssl/macros.h>
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+# define HEADER_COMP_H
+# endif
# include <openssl/opensslconf.h>
#define COMP_zlib_cleanup() while(0) continue
#endif
-# ifdef HEADER_BIO_H
+# ifdef OPENSSL_BIO_H
# ifdef ZLIB
const BIO_METHOD *BIO_f_zlib(void);
# endif