49 lines
1.6 KiB
Groff
49 lines
1.6 KiB
Groff
'\"
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'\" Copyright (c) 1999 Scriptics Corporation
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'\"
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'\" See the file "license.terms" for information on usage and redistribution
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'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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'\"
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.TH Tcl_GetVersion 3 7.5 Tcl "Tcl Library Procedures"
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.so man.macros
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.BS
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.SH NAME
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Tcl_GetVersion \- get the version of the library at runtime
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.SH SYNOPSIS
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.nf
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\fB#include <tcl.h>\fR
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.sp
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\fBTcl_GetVersion\fR(\fImajor, minor, patchLevel, type\fR)
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.SH ARGUMENTS
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.AS Tcl_ReleaseType *patchLevel out
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.AP int *major out
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Major version number of the Tcl library.
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.AP int *minor out
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Minor version number of the Tcl library.
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.AP int *patchLevel out
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The patch level of the Tcl library (or alpha or beta number).
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.AP Tcl_ReleaseType *type out
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The type of release, also indicates the type of patch level. Can be
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one of \fBTCL_ALPHA_RELEASE\fR, \fBTCL_BETA_RELEASE\fR, or
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\fBTCL_FINAL_RELEASE\fR.
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.BE
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.SH DESCRIPTION
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.PP
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\fBTcl_GetVersion\fR should be used to query the version number
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of the Tcl library at runtime. This is useful when using a
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dynamically loaded Tcl library or when writing a stubs-aware
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extension. For instance, if you write an extension that is
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linked against the Tcl stubs library, it could be loaded into
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a program linked to an older version of Tcl than you expected.
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Use \fBTcl_GetVersion\fR to verify that fact, and possibly to
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change the behavior of your extension.
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.PP
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\fBTcl_GetVersion\fR accepts NULL for any of the arguments. For instance if
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you do not care about the \fIpatchLevel\fR of the library, pass
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a NULL for the \fIpatchLevel\fR argument.
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.SH KEYWORDS
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version, patchlevel, major, minor, alpha, beta, release
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