FERROR(3P) POSIX Programmer s Manual FERROR(3P)
PROLOG This manual page is part of the POSIX Programmer s Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAME ferror - test error indicator on a stream
SYNOPSIS #include <stdio.h>
int ferror(FILE *stream);
DESCRIPTION The ferror() function shall test the error indicator for the stream pointed to by stream.
RETURN VALUE The ferror() function shall return non-zero if and only if the error indicator is set for stream.
ERRORS No errors are defined.
The following sections are informative.
APPLICATION USAGE None.
FUTURE DIRECTIONS None.
SEE ALSO clearerr(), feof(), fopen(), the Base Definitions volume of IEEE Std 1003.1-2001, <stdio.h>
COPYRIGHT Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .
IEEE/The Open Group 2003 FERROR(3P)