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Tcl_Main(3Tcl)							Tcl_Main(3Tcl)

NAME    [Toc]    [Back]

     Tcl_Main -	main program for Tcl-based applications

SYNOPSIS    [Toc]    [Back]

     #include <tcl.h>

     Tcl_Main(argc, argv, appInitProc)

ARGUMENTS    [Toc]    [Back]

     int	       argc	      (in)	Number of elements in argv.

     char	       *argv[]	      (in)	Array of strings containing
						command-line arguments.

     Tcl_AppInitProc   *appInitProc   (in)	Address	of an applicationspecific
						procedure.  The	value for this
						argument is usually

DESCRIPTION    [Toc]    [Back]

     Tcl_Main acts as the main program for most	Tcl-based applications.
     Starting with Tcl 7.4 it is not called main anymore because it is part of
     the Tcl library and having	a function main	in a library (particularly a
     shared library) causes problems on	many systems.  Having main in the Tcl
     library would also	make it	hard to	use Tcl	in C++ programs, since C++
     programs must have	special	C++ main functions.

     Normally each application contains	a small	main function that does
     nothing but invoke	Tcl_Main.  Tcl_Main then does all the work of creating
     and running a tclsh-like application.

     When it is	has finished its own initialization, but before	it processes
     commands, Tcl_Main	calls the procedure given by the appInitProc argument.
     This procedure provides a ``hook''	for the	application to perform its own
     initialization, such as defining application-specific commands.  The
     procedure must have an interface that matches the type Tcl_AppInitProc:
	  typedef int Tcl_AppInitProc(Tcl_Interp *interp);
     AppInitProc is almost always a pointer to Tcl_AppInit; for	more details
     on	this procedure,	see the	documentation for Tcl_AppInit.

KEYWORDS    [Toc]    [Back]

     application-specific initialization, command-line arguments, main program

									PPPPaaaaggggeeee 1111
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