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    Command:

    fclose

    
    
    

    SYNOPSIS

           #include <stdio.h>
    
           int fclose(FILE *fp);
    
    
    

    DESCRIPTION

           The  fclose() function flushes the stream pointed to by fp (writing any
           buffered output data using fflush(3)) and closes  the  underlying  file
           descriptor.
    
    
    

    RETURN VALUE

           Upon  successful  completion 0 is returned.  Otherwise, EOF is returned
           and errno is set to indicate the error.  In  either  case  any  further
           access  (including  another  call to fclose()) to the stream results in
           undefined behavior.
    
    
    

    ERRORS

           EBADF  The file descriptor underlying fp is not valid.
    
           The fclose() function may also fail and set errno for any of the errors
           specified for the routines close(2), write(2) or fflush(3).
    
    
    

    CONFORMING TO

           C89, C99.
    
    
    

    NOTES

           Note  that fclose() only flushes the user-space buffers provided by the
           C library.  To ensure that the data is physically stored  on  disk  the
           kernel  buffers  must  be  flushed  too,  for  example, with sync(2) or
           fsync(2).
    
    
    

    SEE ALSO

           close(2), fcloseall(3), fflush(3), fopen(3), setbuf(3)
    
    
    

    GNU 2009-02-23 FCLOSE(3)

    
    
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