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.TH IPSEC_VERSION 3 "21 Nov 2001"
.\" RCSID $Id: version.3 3265 2007-10-08 19:52:55Z andreas $
.SH NAME
ipsec ipsec_version_code \- get IPsec version code
.br
ipsec ipsec_version_string \- get full IPsec version string
.br
ipsec ipsec_copyright_notice \- get IPsec copyright notice
.SH SYNOPSIS
.B "#include <freeswan.h>
.sp
.B "const char *ipsec_version_code(void);"
.br
.B "const char *ipsec_version_string(void);"
.br
.B "const char **ipsec_copyright_notice(void);"
.SH DESCRIPTION
These functions provide information on version numbering and copyright
of the Linux FreeS/WAN IPsec implementation.
.PP
.I Ipsec_version_code
returns a pointer to a string constant
containing the current IPsec version code,
such as ``1.92'' or ``snap2001Nov19b''.
.PP
.I Ipsec_version_string
returns a pointer to a string constant giving a full version identification,
consisting of the version code preceded by a prefix identifying the software,
e.g. ``Linux FreeS/WAN 1.92''.
.PP
.I Ipsec_copyright_notice
returns a pointer to a vector of pointers,
terminated by a
.BR NULL ,
which is the text of a suitable copyright notice.
Each pointer points to a string constant (possibly empty) which is one line
of the somewhat-verbose copyright notice.
The strings are NUL-terminated and do not contain a newline;
supplying suitable line termination for the output device is
the caller's responsibility.
.SH SEE ALSO
ipsec(8)
.SH HISTORY
Written for the FreeS/WAN project by Henry Spencer.
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