HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                      unsigned FP_SEG( void far *fptr )

       - prototype in dos.h

       - gets segment of far pointer fptr
       - returns unsigned integer value
       - not available in some versions of MS C; use the following:

         #define FP_SEG(fptr) ((unsigned)((unsigned long)(fptr) >> 16))

       - see   FP_OFF()

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