/usr/man/cat.3/OPENSSL_VERSION_TEXT.3

SSLeay_version(3)            OpenSSL            SSLeay_version(3)

NAME

     SSLeay_version - retrieve version/build information about
     OpenSSL library

SYNOPSIS

      #include <openssl/crypto.h>

      const char *SSLeay_version(int type);

DESCRIPTION

     SSLeay_version() returns a pointer to a constant string
     describing the version of the OpenSSL library or giving
     information about the library build.

     The following type values are supported:

     SSLEAY_VERSION
         The version of the OpenSSL library including the release
         date.

     SSLEAY_CFLAGS
         The compiler flags set for the compilation process in
         the form "compiler: ..."  if available or "compiler:
         information not available" otherwise.

     SSLEAY_BUILT_ON
         The date of the build process in the form "built on:
         ..." if available or "built on: date not available"
         otherwise.

     SSLEAY_PLATFORM
         The "Configure" target of the library build in the form
         "platform: ..."  if available or "platform: information
         not available" otherwise.

     SSLEAY_DIR
         The "OPENSSLDIR" setting of the library build in the
         form "OPENSSLDIR: "...""  if available or "OPENSSLDIR:
         N/A" otherwise.

RETURN VALUES

     The following return values can occur:

     "not available"
         An invalid value for type was given.

     Pointer to constant string
         Textual description.

SEE ALSO

     crypto(3)

1.0.2t               Last change: 2019-09-10                    1

SSLeay_version(3)            OpenSSL            SSLeay_version(3)

HISTORY

     SSLEAY_DIR was added in OpenSSL 0.9.7.

1.0.2t               Last change: 2019-09-10                    2