Linux 2.6 - man page for rewind (linux section 3posix)
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REWIND(P) POSIX Programmer's Manual REWIND(P)
rewind - reset the file position indicator in a stream
void rewind(FILE *stream);
shall be equivalent to:
(void) fseek(stream, 0L, SEEK_SET)
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 occurred.
The rewind() function shall not return a value.
Refer to fseek() with the exception of [EINVAL] which does not apply.
The following sections are informative.
fseek() , the Base Definitions volume of IEEE Std 1003.1-2001, <stdio.h>
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 orig-
inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .
IEEE/The Open Group 2003 REWIND(P)
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