XmStringExtent — A compound string function that determines the size of the smallest rectangle that will

XmStringExtent determines the width and height, in pixels, of the smallest rectangle  that  will  enclose
       the provided compound string.

       rendertable
                 Specifies the render table

       string    Specifies the string

       width     Specifies a pointer to the width of the rectangle

       height    Specifies a pointer to the height of the rectangle

XmStringExtent  — A compound string function that determines the size of the smallest rectangle that will
       enclose the compound string "XmStringExtent" "compound string functions" "XmStringExtent"

XmStringCreate(3).

                                                                                               XmStringExtent(3)

       #include <Xm/Xm.h>
       voidXmStringExtent(
       XmRenderTablerendertable,
       XmStringstring,
       Dimension*width,
       Dimension*height);