HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

     size_t fwrite(const void *buf, size_t size, size_t count, FILE *fp)

       - prototype in stdio.h

       - writes  (count * size)  bytes to file stream "fp"
       - swapping parameters "size" and "count" can often provide more
         exact feedback (exactly how many bytes were written)
       - returns number of data blocks actually written or a short count
         on error

       - see  fopen()   fread()   setvbuf()

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