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TkInitStubs (3)
  • >> TkInitStubs (3) ( Разные man: Библиотечные вызовы )



  •  

    NAME

    Tk_InitStubs - initialize the Tk stubs mechanism
     
    

    SYNOPSIS

    #include <tk.h>
    
    char *
    Tk_InitStubs(interp, version, exact)
    
     

    ARGUMENTS

    Tcl_Interp    *interp    (in)
    Tcl interpreter handle.
    char    *version    (in)
    A version string consisting of one or more decimal numbers separated by dots.
    int    exact    (in)
    Non-zero means that only the particular Tk version specified by version is acceptable. Zero means that versions newer than version are also acceptable as long as they have the same major version number as version.



     

    INTRODUCTION

    The Tcl stubs mechanism defines a way to dynamically bind extensions to a particular Tcl implementation at run time. the stubs mechanism requires no changes to applications incoporating Tcl/Tk interpreters. Only developers creating C-based Tcl/Tk extensions need to take steps to use the stubs mechanism with their extensions. See the Tcl_InitStubs page for more information.

    Enabling the stubs mechanism for a Tcl/Tk extension requires the following steps:

    1)
    Call Tcl_InitStubs in the extension before calling any other Tcl functions.
    2)
    Call Tk_InitStubs if the extension before calling any other Tk functions.
    2)
    Define the USE_TCL_STUBS symbol. Typically, you would include the -DUSE_TCL_STUBS flag when compiling the extension.
    3)
    Link the extension with the Tcl and Tk stubs libraries instead of the standard Tcl and Tk libraries. On Unix platforms, the library names are libtclstub8.1.a and libtkstub8.1.a; on Windows platforms, the library names are tclstub81.lib and tkstub81.lib.
     

    DESCRIPTION

    Tk_InitStubs attempts to initialize the Tk stub table pointers and ensure that the correct version of Tk is loaded. In addition to an interpreter handle, it accepts as arguments a version number and a Boolean flag indicating whether the extension requires an exact version match or not. If exact is 0, then the extension is indicating that newer versions of Tk are acceptable as long as they have the same major version number as version; non-zero means that only the specified version is acceptable. Tcl_InitStubs returns a string containing the actual version of Tk satisfying the request, or NULL if the Tk version is not acceptable, does not support the stubs mechansim, or any other error condition occurred.  

    SEE ALSO

    Tcl_InitStubs  

    KEYWORDS

    stubs


     

    Index

    NAME
    SYNOPSIS
    ARGUMENTS
    INTRODUCTION
    DESCRIPTION
    SEE ALSO
    KEYWORDS


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