Switch-list control block structure.

typedef struct _SWCNTRL {
  HWND         hwnd;                   /*  Window handle. */
  HWND         hwndIcon;               /*  Window-handle icon. */
  HPROGRAM     hprog;                  /*  Program handle. */
  PID          idProcess;              /*  Process identity. */
  ULONG        idSession;              /*  Session identity. */
  ULONG        uchVisibility;          /*  Visibility: */
  ULONG        fbJump;                 /*  Jump indicator: */
  CHAR         szSwtitle[MAXNAMEL+4];  /*  Switch-list control block title (null-terminated). */
  ULONG        bProgType;              /*  Program type. */
} SWCNTRL;

typedef   SWCNTRL   * PSWCNTRL ;