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* m4/sys_socket_h.m4 (gl_HEADER_SYS_SOCKET): On OSF/1, define _POSIX_PII_SOCKET. * doc/posix-functions/recv.texi: Document the OSF/1 problem. * doc/posix-functions/recvfrom.texi: Likewise. * doc/posix-functions/send.texi: Likewise. * doc/posix-functions/sendto.texi: Likewise.
27 lines
699 B
Plaintext
27 lines
699 B
Plaintext
@node recvfrom
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@section @code{recvfrom}
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@findex recvfrom
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/recvfrom.html}
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Gnulib module: recvfrom
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Portability problems fixed by Gnulib:
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@itemize
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@item
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This function has the return type @code{int} instead of @code{ssize_t}
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on some platforms:
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OSF/1 5.1.
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@item
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On Windows platforms (excluding Cygwin), error codes for
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@code{recvfrom} are not placed in @code{errno}, and
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@code{WSAGetLastError} must be used instead.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@item
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Some platforms don't have a @code{socklen_t} type; in this case this function's
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sixth argument type is @samp{int *}.
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@end itemize
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