How do you pass pointer PL/1 main procedure to sub
procedure?
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Answer Posted / mithun kilikdar
If we need to pass variables from one procedure to another
procedure or from one pgm to another pgm then we can
directlt pass the variables. Or one more way is to pass
poiters. Below is the example:
PROGRAM_A: OPTIONS(MAIN) REENTRANT:
DCL FORE_NAME CHAR(20) INIT('');
DCL SUR_NAME CHAR(20) INIT('');
DCL PTR1, PTR2 POINTER;
:
:
PTR1 = ADDRESS(FORE_NAME);
PTR2 = ADDRESS(SUR_NAME);
CALL PROGRAMB_( PTR1
, PTR2
);
:
:
END; /*PROGRAM_A*/
PROGRAM_B: OPTIONS(P_PTR1
,
P_PTR2
);
/*DECLARATION*/
DCL PTR1, PTR2 POINTER;
/*INTERNALIZATION*/
PTR1 = P_PTR1;
PTR2 = P_PTR2;
:
:
/* USE PTR1 AND PTR2 TO USE FORE_NAME AND SUR_NAME
END; /*PROGRAM_B*/
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