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====== Int 31H, AH=00H, AL=01H ======

===== Version =====

0.9

===== Brief =====

 Frees an LDT descriptor.

===== Input =====

   AX = 0001H
   BX = selector for the descriptor to free

===== Return =====

  if function successful
  Carry flag = clear
  
  if function unsuccessful
  Carry flag = set
  AX = error code
  8022H	invalid selector
  
===== Notes =====

Each descriptor allocated with Int 31H Function 0000H must be freed individually with this function, even if it was previously allocated as part of a contiguous array of descriptors.

Under DPMI 1.0 hosts, any segment registers which contain the selector being freed are zeroed by this function.

Refer to the rules for descriptor usage in Appendix D.
          
===== See also =====

   

===== Note =====

Text based on [[http://www.delorie.com/djgpp/doc/dpmi/]]

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