Provided by: libssl-doc_1.0.2g-1ubuntu4.20_all 

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)
HISTORY
SSLEAY_DIR was added in OpenSSL 0.9.7.
1.0.2g 2016-03-01 SSLeay_version(3SSL)