TclPKCS11

 * C_Initialize */
typedef struct CK_C_INITIALIZE_ARGS {
  CK_CREATEMUTEX CreateMutex;
  CK_DESTROYMUTEX DestroyMutex;
  CK_LOCKMUTEX LockMutex;
  CK_UNLOCKMUTEX UnlockMutex;
  CK_FLAGS flags;
  CK_VOID_PTR LibraryFlags;
  CK_VOID_PTR pReserved;
} CK_C_INITIALIZE_ARGS;

/* flags: bit flags that provide capabilities of the slot
 *      Bit Flag                           Mask       Meaning
 */
#define CKF_LIBRARY_CANT_CREATE_OS_THREADS 0x00000001