GUARDS macros

This section describes all GUARDS macros in alphabetical order. Each command description starts with a general explanation of the function of the macro, followed by the macro format and a description of the various operands and their values. The description of the operands is followed by an explanation of the return codes. The description of the GUARDS macros is then followed by examples of application of the macros MODSAC, REMSAC and SHWSAC and the macro syntax of the GUARDS macros.