COMMUNICATION

Reference

Syntax

COMMUNICATION { {INIT DESTINATION dest}
              | {ALLOCATE}
              | {ACCEPT}
              | {SEND BUFFER buf}
              | {RECEIVE BUFFER buf DATAINFO dat STATUSINFO stat}
              | {DEALLOCATE} } ID id
              [RETURNCODE rc]
              [LENGTH leng]
              [RECEIVED rec]
              [HOLD].

Effect

Obsolete: Enables communication with external programs using the CPI-C interface; the connection number is in id.

Additions

• INIT DESTINATION dest
  Initializes a connection dest.
  
  
• ALLOCATE
  Establishes a connection.
  
  
• ACCEPT
  Accepts a connection.
  
  
• SEND BUFFER buf
  Sends data in buf.
  
  
• RECEIVE BUFFER buf DATAINFO dat STATUSINFO stat
  Receives data in buf and status information in dat and stat.
  
  
• DEALLOCATE
  Terminates a connection.
  
  
• RETURNCODE rc
  Receives a return value in rc.
  
  
• LENGTH leng
  Restricts the length of sent or received data to leng.
  
  
• RECEIVED rec
  Returns the number of received bytes in rec.
  
  
• HOLD
  Prevents the internal session being changed during the receiving process.