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     The fread function reads up to <count> items, of <size> bytes
     each, from the input <stream> and stores them in <buffer>. The
     file pointer associated with <stream> (if there is one) is
     increased by the number of bytes actually read.
 
     If the given stream is opened in text mode, carriage-return──
     line-feed pairs are replaced with single line-feed characters. The
     replacement has no effect on the file pointer or the return value.
 
     If an error occurs, both the file-pointer position and the value
     of a partially read item are indeterminate.
 
     Return Value
 
     The fread function returns the number of full items actually read,
     which may be less than <count> if an error occurs or if end-of-
     file is encountered before reaching <count>.
 
     The feof or ferror function should be used to distinguish a read
     error from an end-of-file condition. If <size> or <count> is 0,
     fread returns 0 and the buffer contents are unchanged.
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