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@node fseek
@section @code{fseek}
@findex fseek
POSIX specification: @url{http://www.opengroup.org/susv3xsh/fseek.html}
Gnulib module: fseek
Portability problems fixed by Gnulib:
@itemize
@item
This function mistakenly succeeds on pipes on some platforms: mingw.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
On Windows platforms (excluding Cygwin), this function does not set @code{errno}
upon failure.
@item
On platforms where @code{long} is a 32-bit type, @code{fseek} does not work
correctly with files larger than 2 GB. The fix is to use @code{fseeko}
instead and to invoke the @code{AC_SYS_LARGEFILE} macro.
@end itemize
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