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Internet Message Format  |  1996-08-05  |  1.3 KB
  1. Path: s02.pavilion.co.uk!usenet
  2. From: AJRobb@pavilion.co.uk (Andy J Robb)
  3. Newsgroups: comp.lang.c
  4. Subject: Re: [Q] Does free() work?
  5. Date: Sat, 24 Feb 1996 23:05:00 GMT
  6. Organization: Pavilion Internet plc
  7. Message-ID: <4go5h0$sql@s02.pavilion.co.uk>
  8. References: <4gm3ss$qfa@news.infoserve.net>
  9. NNTP-Posting-Host: poolc50.pavilion.co.uk
  10. X-Newsreader: Forte Free Agent 1.0.82
  11.  
  12. yang@unix.infoserve.net (Sung Moo Yang) wrote:
  13.  
  14. >Question on the function free() in MSC 5.1 running on MS-DOS 6.0 on 486 DX2.
  15.  
  16. >The library function free() doesn't free memory allocated however _dos_freemem() does.
  17. >Example TEST.C uses free() to release memory while TEST2.C uses _dos_freemem() to do so. Result screen was followed respectively.
  18.  
  19. >Why doesn't free() release the memory allocated? 
  20. >Thanks in advance.
  21.  
  22. Once memory has been grabbed for the heap it is usually retained.
  23. However, free() does allow the memory to be re-used by malloc().
  24.  
  25. Regards,
  26. Andy Robb.
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