IRIX 5.3, OSF/1 4.0, Solaris 2.5.1, mingw.
@item
The declaration of @code{fseeko} in @code{<stdio.h>} is not enabled by default
-on some platforms: glibc 2.3.6.
+on some platforms:
+glibc 2.3.6, OSF/1 5.1.
@item
This function fails on seekable stdin, stdout, and stderr: cygwin <= 1.5.24.
@end itemize