This function destroys a private atom table, which is created by WinCreateAtomTable.

#define INCL_WINATOM /* Or use INCL_WIN, INCL_PM, */
#include <os2.h>

HATOMTBL    hatomtblAtomTbl;  /*  Atom-table handle. */
HATOMTBL    rc;               /*  Return code. */

rc = WinDestroyAtomTable(hatomtblAtomTbl);