MFSH_SEGREALLOC - Change segment size

Purpose   

Change the size of memory. 

Calling Sequence   

int far pascal MFSH_SEGREALLOC(usSel, cbSeg)

unsigned short usSel;
unsigned long cbSeg;

Where   

usSel contains the selector of the segment to be resized. 

cbSeg contains the new length of the segment. 
  

Returns   

If no error is detected, a zero error code is returned. If an error is 
detected, on of the following error codes is returned: 

oERROR_NOT_MEMORY 

too much memory is allocated. 

oERROR_PROTECTION_VIOLATION 

the supplied selector is invalid. 

oERROR_INVALID_PARAMETER 

the supplied length is invalid. 
  

Remarks   

This call changes the size of a segment previously allocated with MFSH_ 
SEGALLOC, or loaded as part of the mini-FSD image. 

The segment may be grown or shrunk. When grown, the extra space is 
uninitialized. The segment may be moved in the process.