printf problem Post: 302285318

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LEARN ABOUT OSX

tk_getjustifyfromobj

Tk_GetJustifyFromObj(3) 				       Tk Library Procedures					   Tk_GetJustifyFromObj(3)

__________________________________________________________________________________________________________________________________________________

NAME

       Tk_GetJustifyFromObj, Tk_GetJustify, Tk_NameOfJustify - translate between strings and justification styles

SYNOPSIS

       #include <tk.h>

       int
       Tk_GetJustifyFromObj(interp, objPtr, justifyPtr)

       int
       Tk_GetJustify(interp, string, justifyPtr)

       const char *
       Tk_NameOfJustify(justify)

ARGUMENTS

       Tcl_Interp *interp (in)		    Interpreter to use for error reporting, or NULL.

       Tcl_Obj *objPtr (in/out) 	    String  value contains name of justification style, one of "left", "right", or "center".  The internal
					    rep will be modified to cache corresponding justify value.

       const char *string (in)		    Same as objPtr except description of justification style is passed as a string.

       int *justifyPtr (out)		    Pointer to location in which to store justify value corresponding to objPtr or string.

       Tk_Justify justify (in)		    Justification style (one of the values listed below).
_________________________________________________________________

DESCRIPTION

       Tk_GetJustifyFromObj places in *justifyPtr the justify value corresponding to objPtr's value.  This value will be one of the following:

       TK_JUSTIFY_LEFT
	      Means that the text on each line should start at the left edge of the line;  as a result, the right edges of lines may be ragged.

       TK_JUSTIFY_RIGHT
	      Means that the text on each line should end at the right edge of the line;  as a result, the left edges of lines may be ragged.

       TK_JUSTIFY_CENTER
	      Means that the text on each line should be centered;  as a result, both the left and right edges of lines may be ragged.

       Under normal circumstances the return value is TCL_OK and interp is unused.  If objPtr does not contain a valid justification style  or	an
       abbreviation  of one of these names, TCL_ERROR is returned, *justifyPtr is unmodified, and an error message is stored in interp's result if
       interp is not NULL.  Tk_GetJustifyFromObj caches information about the return value in objPtr, which speeds up future calls to Tk_GetJusti-
       fyFromObj with the same objPtr.

       Tk_GetJustify  is  identical to Tk_GetJustifyFromObj except that the description of the justification is specified with a string instead of
       an object.  This prevents Tk_GetJustify from caching the return value, so Tk_GetJustify is less efficient than Tk_GetJustifyFromObj.

       Tk_NameOfJustify is the logical inverse of Tk_GetJustify.  Given a justify value it returns a statically-allocated string corresponding	to
       justify.  If justify is not a legal justify value, then "unknown justification style" is returned.

KEYWORDS

       center, fill, justification, string

Tk									8.1						   Tk_GetJustifyFromObj(3)

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