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+@node sendto
+@section @code{sendto}
+@findex sendto
+
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/sendto.html}
+
+Gnulib module: sendto
+
+Portability problems fixed by Gnulib:
+@itemize
+@item
+This function has the return type @code{int} instead of @code{ssize_t}
+on some platforms:
+OSF/1 5.1.
+@item
+On Windows platforms (excluding Cygwin), error codes for @code{sendto}
+are not placed in @code{errno}, and @code{WSAGetLastError} must be
+used instead.
+@end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
+@end itemize