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  1.  Home
  2. RPG400-L
  3. September 2007

Map physical file's EXTNAME data structure over it's logical file's likerec data structure

Is it safe to overlay a physical file's EXTNAME data structure over it's
logical file's likerec data structure in an RPG program? Assuming that
the logical does not re-define/sub-select fields.

Thanks.


Below is a test program and it seems to be working (The values/fields in
myCNYPF line up correctly with myCNYL0), I just want to be sure that
this will not cause problem sometime down the road.

FBLCNYL0 UF E K DISK

D myCNYL0 ds likerec(BLCNY00)
D myCNYPF e ds extname(BLCNYPF) based(myCNYPF_p)
D qualified

/free

myCNYPF_p = %addr(myCNYL0);
chain(n) (889006) BLCNYL0 myCNYL0;

*inlr = *on;

/end-free


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