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            Z3LIB - The ZCPR3-Specific Libraries


                 I - 
Introduction to Z3LIB


            1 - 
Access to the ZCPR3 Environment

            2 - 
Control of Flow Under ZCPR3

            3 - 
Access to the ZCPR3 Messages

            4 - 
General-Purpose ZCPR3 Utilities
:I

     Z3LIÂ ió onå oæ threå librarieó provideä witè thå ZCPR³ �
System¬ thå otheò twï beinç SYSLIÂ anä VLIB®  Z3LIÂ containó �
á  hosô oæ supporô utilitieó whicè providå accesó tï  ZCPR3-�
specifiã  featureó  anä capabilities®   SYSLIÂ ió á hosô  oæ �
general-purposå  utilitieó  anä VLIÂ ió á  seô  oæ  machine-�
independenô (viá Z3TCAP© utilitieó whicè supporô CRÔ controì �
anä utilitization.

     SYSLI  ió  documenteä iî á collectioî  oæ  SYSLIB*.HLÐ �
files¬ aó ió VLIB.


     Z3LIB routines can be divided into four categories:

          1. ZCPR3 Environment Access
               -- Thoså utilitieó whicè allo÷ thå programmeò �
tï  easilù  extracô datá froí thå Z³ Environmenô  Descriptoò �
and modify certain Z3 environment parameters
          2. ZCPR3 Flow Control
               -- Thoså    utilitieó   whicè   permiô    thå �
programmeò tï easilù manipulatå thå flo÷ controì environmenô �
oæ ZCPR3¬ enablinç hií tï raiså thå leveì oò loweò thå leveì �
oæ  thå  currenô IÆ conditioî anä tï togglå thå  currenô  IÆ �
condition as desired
          3. ZCPR3 Messages
               -- Thoså  utilitieó  providinç accesó tï  thå �
ZCPR³  messages¬  allowinç  thå prograí tï  reaä  anä  writå �
messages from and to the system
          4. ZCPR3 Utilities
               -- Usefuì   utilitieó   whicè   relievå   thå �
programmeò froí constantlù reprogramminç somå  commonly-useä �
ZCPR³ features
:1:Z3LIB1.HLP
:2:Z3LIB2.HLP
:3:Z3LIB3.HLP
:4:Z3LIB4.HLP