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134 .\" ========================================================================
136 .IX Title "OPENSSL_VERSION_NUMBER 3"
137 .TH OPENSSL_VERSION_NUMBER 3 "2002-01-04" "1.1.0-dev" "OpenSSL"
138 .\" For nroff, turn off justification. Always turn off hyphenation; it makes
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143 OPENSSL_VERSION_NUMBER, SSLeay, SSLeay_version \- get OpenSSL version number
147 .IX Header "SYNOPSIS"
149 \& #include <openssl/opensslv.h>
150 \& #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
164 The status nibble has one of the values 0 for development, 1 to e for betas
165 1 to 14, and f for release.
170 \& 0x000906000 == 0.9.6 dev
171 \& 0x000906023 == 0.9.6b beta 3
172 \& 0x00090605f == 0.9.6e release
175 Versions prior to 0.9.3 have identifiers < 0x0930.
176 Versions between 0.9.3 and 0.9.5 had a version identifier with this
180 \& MMNNFFRBB major minor fix final beta/patch
186 \& 0x000904100 == 0.9.4 release
187 \& 0x000905000 == 0.9.5 dev
190 Version 0.9.5a had an interim interpretation that is like the current one,
191 except the patch level got the highest bit set, to keep continuity. The
192 number was therefore 0x0090581f.
194 For backward compatibility, \s-1SSLEAY_VERSION_NUMBER\s0 is also defined.
196 \&\fISSLeay()\fR returns this number. The return value can be compared to the
197 macro to make sure that the correct version of the library has been
198 loaded, especially when using DLLs on Windows systems.
200 \&\fISSLeay_version()\fR returns different strings depending on \fBt\fR:
201 .IP "\s-1SSLEAY_VERSION\s0" 4
202 .IX Item "SSLEAY_VERSION"
203 The text variant of the version number and the release date. For example,
204 \&\*(L"OpenSSL 0.9.5a 1 Apr 2000\*(R".
205 .IP "\s-1SSLEAY_CFLAGS\s0" 4
206 .IX Item "SSLEAY_CFLAGS"
207 The compiler flags set for the compilation process in the form
208 \&\*(L"compiler: ...\*(R" if available or \*(L"compiler: information not available\*(R"
210 .IP "\s-1SSLEAY_BUILT_ON\s0" 4
211 .IX Item "SSLEAY_BUILT_ON"
212 The date of the build process in the form \*(L"built on: ...\*(R" if available
213 or \*(L"built on: date not available\*(R" otherwise.
214 .IP "\s-1SSLEAY_PLATFORM\s0" 4
215 .IX Item "SSLEAY_PLATFORM"
216 The \*(L"Configure\*(R" target of the library build in the form \*(L"platform: ...\*(R"
217 if available or \*(L"platform: information not available\*(R" otherwise.
218 .IP "\s-1SSLEAY_DIR\s0" 4
219 .IX Item "SSLEAY_DIR"
220 The \*(L"\s-1OPENSSLDIR\s0\*(R" setting of the library build in the form \*(L"\s-1OPENSSLDIR:\s0 \*(R"..."\*(L"
221 if available or \*(R"\s-1OPENSSLDIR:\s0 N/A" otherwise.
223 For an unknown \fBt\fR, the text \*(L"not available\*(R" is returned.
225 .IX Header "RETURN VALUE"
228 .IX Header "SEE ALSO"
232 \&\fISSLeay()\fR and \s-1SSLEAY_VERSION_NUMBER\s0 are available in all versions of SSLeay and OpenSSL.
233 \&\s-1OPENSSL_VERSION_NUMBER\s0 is available in all versions of OpenSSL.
234 \&\fB\s-1SSLEAY_DIR\s0\fR was added in OpenSSL 0.9.7.