XtOffset(3Xt)                 SDK X11 R4.11MU05                XtOffset(3Xt)


NAME
       XtOffset, XtNumber - determine the byte offset or number of array
       elements

SYNTAX
       Cardinal XtOffset(pointertype, fieldname)
             Type pointertype;
             Field fieldname;

       Cardinal XtNumber(array)
             ArrayVariable array;

ARGUMENTS
       array     Specifies a fixed-size array.

       fieldname
                 Specifies the name of the field for which to calculate the
                 byte offset.

       pointertype
                 Specifies a type that is declared as a pointer to the
                 structure.

DESCRIPTION
       The XtOffset macro is usually used to determine the offset of various
       resource fields from the beginning of a widget and can be used at
       compile time in static initializations.

       The XtNumber macro returns the number of elements in the specified
       argument lists, resources lists, and other counted arrays.

SEE ALSO
       XtGetResourceList(3Xt), XtSetArg(3Xt)
       X Toolkit Intrinsics - C Language Interface
       Xlib - C Language X Interface


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