XmTextGetMaxLength — A Text function that accesses the value of the current maximum allowable length of a

XmTextGetMaxLength  accesses  the value of the current maximum allowable length of the text string in the
       Text widget entered from the keyboard. The maximum allowable length prevents the  user  from  entering  a
       text  string  larger than this limit.  Note that the maximum allowable length is the same as the value of
       the widget's XmNmaxLength resource.

       widget    Specifies the Text widget ID

       For a complete definition of Text and its associated resources, see XmText(3).

XmTextGetMaxLength — A Text function that accesses the value of the current maximum allowable length of a
       text string entered from the keyboard "XmTextGetMaxLength" "Text functions" "XmTextGetMaxLength"

XmText(3).

                                                                                           XmTextGetMaxLength(3)

       Returns the integer value that indicates the string's maximum allowable length that can be  entered  from
       the keyboard.

       #include <Xm/Text.h>
       intXmTextGetMaxLength(
       Widgetwidget);