except that rewind() shall also clear the error indicator.
Since rewind() does not return a value, an application wishing
to detect errors should clear errno, then call
rewind(), and if errno is non-zero, assume an error has
The rewind() function shall not return a value.
Refer to fseek() with the exception of [EINVAL] which does not
The following sections are informative.
fseek() , the Base Definitions volume of IEEE Std 1003.1-2001,
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