Overview of SDF function calls

CCMD CORR INIT LEVL OPER READ SEMA STAT STMT STRU TRNS TYPE WRRC

Execute a system command Set correction bit Initialize buffer Position on an operand array Read operand value from the transfer area Read and analyze a statement Initiate a semantic error dialog Output information about syntax files Read statement name from the transfer area Analyze data type and length of value-introducing structure Analyze a statement Analyze data type and length of operands Set command return code