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setblock() Modify Size of DOS Memory Segment
#include <dos.h>
int setblock(seg,newsize);
int seg; Segment address
int newsize; New size in paragraphs
setblock() modifies the size of a previously allocated DOS memory
segment. 'seg' is the segment address returned by a previous call to
allocmem(). 'newsize' is the requested new size in paragraphs.
Returns: -1 is returned on success. On error, the size of the
largest possible block is returned, '_doserrno' is set,
and 'errno' is set to ENOMEM (not enough core).
See Also:
allocmem()
freemem()
malloc()
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