In a message dated 12-18-98, Mads Orbesen Troest said to All about
"Returning long strings to"

Hi Mads,

MT>The REXX reference states that in order to return - from an 
MT>extension DLL - data longer than the pre-allocated 256 
MT>chars of the default return string, one has to allocate 
MT>room for it using DosAllocMem.

MT>Just to be on the safe side: This /does/ mean that as 
MT>control is returned to REXX, REXX will, by itself, clean up 
MT>this allocated memory when required?

Yes. REXX notices that the returned area is not the one it supplied and
cleans up using the DosFreeMem() API.

MT>Can I, by the way, use a standard C memory allocation 
MT>function rather than calling DosAllocMem explicitly?

No, not under any circumstances. You must use DosAllocMem() for your
allocation of memory to communicate with REXX.

BTW, there is another echo where REXX-related discussions are the specialist
topic. ... ;-)

Regards

Dave

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