| apersistence_read_gnd#(ADR, ROOTADR, ISTORE, ISTORE0, GINVAL, GSTORE, GSTORE0, NL, MAXINO, OS, PSTATE, PSYNCED; GND; ERR) {if ADR ∈ GSTORE ∧ ¬ ADR.lnum ∈ GINVAL then {fail_or_success#(; ; ERR); if ERR = ESUCCESS then GND := GSTORE[ADR] else GND := ?} else abort} |