ferror man page on Cygwin

ferror man page on Cygwin

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FERROR(3)			    NEWLIB			     FERROR(3)

NAME
       4.8 `ferror'--test whether read/write error has occurred

SYNOPSIS
	    #include <stdio.h>
	    int ferror(FILE *FP);

DESCRIPTION
       The  `stdio'  functions	maintain  an  error  indicator	with each file
       pointer FP, to record whether any read or write errors have occurred on
       the associated file or stream.  Use `ferror' to query this indicator.

	  See `clearerr' to reset the error indicator.

RETURNS
       `ferror'	 returns  `0' if no errors have occurred; it returns a nonzero
       value otherwise.

PORTABILITY
       ANSI C requires `ferror'.

	  No supporting OS subroutines are required.

SEE ALSO
       ferror is part of the library.  The full	 documentation	for  is	 main‐
       tained as a Texinfo manual.  If info and are properly installed at your
       site, the command

	      info

       will give you access to the complete manual.

NEWLIB				  April 2010			     FERROR(3)

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