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   fread

   Usage
   #include <stdio.h>

   size_t fread(const void *p,size_t sizelem,size_t n,FILE *fp);

   Description
   Reads  n  elements  from stream fp into the array that  p  points  to.
   sizelem is the number of bytes in each element.

   Example
   #include <stdio.h>
   #include <stdlib.h>
   main()
   {
   char *dest;
   int size = 1;
   int number = 256, numread;
   FILE *fp;
        if((fp = fopen("file.dat","r")) == NULL)
             return;

        dest = calloc(256,1);
        numread = fread(dest,size,number,fp);
        printf("Total read %d\n",numread);
        fprintf(stdout,"Data read\n %s",dest);
        free(dest);
   }

   Return Value
   fread  returns  the number of complete elements actually read.  If  an
   error or an end of file is encountered, it will return less than n.