Define OPENSSL_EXPORT and OPENSSL_IMPORT and give OPENSSL_EXTERN the default value OPENSSL_IMPORT.  Explain the use of all those macros.
Define OPENSSL_EXPORT and OPENSSL_IMPORT and give OPENSSL_EXTERN the
default value OPENSSL_IMPORT.  Explain the use of all those macros.

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl