XmTab — Data type for a tab stop "XmTab"

XmTab  is  a  data structure that specifies a tab stop to be used in rendering an XmString containing tab
       components. An XmTab value contains a  value,  a  unit  type,  an  offset  model  (either  XmABSOLUTE  or
       XmRELATIVE), an alignment model (XmALIGNMENT_BEGINNING), and a decimal point character. The resource file
       syntax for XmTab is specified in the XmTabList reference page.

XmTab — Data type for a tab stop "XmTab"

XmTabCreate(3), XmTabFree(3), XmTabGetValues(3), XmTabList(3), and XmTabSetValue(3).

                                                                                                        XmTab(3)

       #include <Xm/Xm.h>
       XmTab