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XtInitialize - initialize 
- Widget
XtInitialize(String shell_name, String application_class, 
- XrmOptionDescRec*
options, Cardinal num_options, int* argc, char** argv);  
- shell_name
- Specifies
the name of the created shell widget. 
- application_class
- Specifies the class
name of this application, which usually is the generic name for all instances
of this application. 
- options
- Specifies how to parse the command line for
any application-specific resources. The options argument is passed as a parameter
to XrmParseCommand.   For further information, see Xlib - C Language X Interface.
- num_options
- Specifies the number of entries in the options list. 
- argc
- Specifies
a pointer to the number of command line parameters. 
- argv
- Specifies the command
line parameters. 
XtInitialize   calls XtToolkitInitialize   followed
by XtOpenDisplay   with display_string NULL and application_name NULL,
and finally calls XtAppCreateShell   with appcation_name NULL, widget_class
applicationShellWidgetClass,   and the specified args and num_args and
returns the created shell. The semantics of calling XtInitialize   more
than once are undefined. This routine has been replaced by XtAppInitialize.
X Toolkit Intrinsics - C Language Interface 
Xlib - C Language X Interface 
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