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140 .IX Title "OPENSSL_VERSION_NUMBER 3"
141 .TH OPENSSL_VERSION_NUMBER 3 "0.9.6e" "2002-07-30" "OpenSSL"
144 \&\s-1OPENSSL_VERSION_NUMBER\s0, SSLeay, SSLeay_version \- get OpenSSL version number
146 .IX Header "SYNOPSIS"
148 \& #include <openssl/opensslv.h>
149 \& #define OPENSSL_VERSION_NUMBER 0xnnnnnnnnnL
152 \& #include <openssl/crypto.h>
153 \& long SSLeay(void);
154 \& const char *SSLeay_version(int t);
157 .IX Header "DESCRIPTION"
158 \&\s-1OPENSSL_VERSION_NUMBER\s0 is a numeric release version identifier:
161 \& MMNNFFPPS: major minor fix patch status
163 The status nibble has one of the values 0 for development, 1 to e for betas
164 1 to 14, and f for release.
169 \& 0x000906000 == 0.9.6 dev
170 \& 0x000906023 == 0.9.6b beta 3
171 \& 0x00090605f == 0.9.6e release
173 Versions prior to 0.9.3 have identifiers < 0x0930.
174 Versions between 0.9.3 and 0.9.5 had a version identifier with this
178 \& MMNNFFRBB major minor fix final beta/patch
183 \& 0x000904100 == 0.9.4 release
184 \& 0x000905000 == 0.9.5 dev
186 Version 0.9.5a had an interim interpretation that is like the current one,
187 except the patch level got the highest bit set, to keep continuity. The
188 number was therefore 0x0090581f.
190 For backward compatibility, \s-1SSLEAY_VERSION_NUMBER\s0 is also defined.
192 \&\fISSLeay()\fR returns this number. The return value can be compared to the
193 macro to make sure that the correct version of the library has been
194 loaded, especially when using DLLs on Windows systems.
196 \&\fISSLeay_version()\fR returns different strings depending on \fBt\fR:
197 .Ip "\s-1SSLEAY_VERSION\s0" 4
198 .IX Item "SSLEAY_VERSION"
199 The text variant of the version number and the release date. For example,
200 \&\*(L"OpenSSL 0.9.5a 1 Apr 2000\*(R".
201 .Ip "\s-1SSLEAY_CFLAGS\s0" 4
202 .IX Item "SSLEAY_CFLAGS"
203 The compiler flags set for the compilation process in the form
204 \&\*(L"compiler: ...\*(R" if available or \*(L"compiler: information not available\*(R"
206 .Ip "\s-1SSLEAY_BUILT_ON\s0" 4
207 .IX Item "SSLEAY_BUILT_ON"
208 The date of the build process in the form \*(L"built on: ...\*(R" if available
209 or \*(L"built on: date not available\*(R" otherwise.
210 .Ip "\s-1SSLEAY_PLATFORM\s0" 4
211 .IX Item "SSLEAY_PLATFORM"
212 The \*(L"Configure\*(R" target of the library build in the form \*(L"platform: ...\*(R"
213 if available or \*(L"platform: information not available\*(R" otherwise.
215 For an unknown \fBt\fR, the text \*(L"not available\*(R" is returned.
217 .IX Header "RETURN VALUE"
220 .IX Header "SEE ALSO"
224 \&\fISSLeay()\fR and \s-1SSLEAY_VERSION_NUMBER\s0 are available in all versions of SSLeay and OpenSSL.
225 \&\s-1OPENSSL_VERSION_NUMBER\s0 is available in all versions of OpenSSL.