5 files changed, 25 insertions, 0 deletions
diff --git a/doc/posix-functions/accept.texi b/doc/posix-functions/accept.texi
index a92ea3f057..b1216ee38a 100644
--- a/doc/posix-functions/accept.texi
+++ b/doc/posix-functions/accept.texi
@@ -17,6 +17,11 @@ the @code{accept} function cannot be used in calls to @code{read},
 On Windows platforms (excluding Cygwin), error codes from this function
 are not placed in @code{errno}, and @code{WSAGetLastError} must be used
 instead.
+@item
+On HP-UX 11, in 64-bit mode, when the macro @code{_HPUX_ALT_XOPEN_SOCKET_API}
+is not defined, this function behaves incorrectly because it is declared
+to take a pointer to a 64-bit wide @code{socklen_t} entity but in fact
+considers it as a pointer to a 32-bit wide @code{unsigned int} entity.
 @end itemize
 
 Portability problems not fixed by Gnulib:
diff --git a/doc/posix-functions/getpeername.texi b/doc/posix-functions/getpeername.texi
index 5b2776e78f..8476e0a19a 100644
--- a/doc/posix-functions/getpeername.texi
+++ b/doc/posix-functions/getpeername.texi
@@ -12,6 +12,11 @@ Portability problems fixed by Gnulib:
 On Windows platforms (excluding Cygwin), error codes from this function
 are not placed in @code{errno}, and @code{WSAGetLastError} must be used
 instead.
+@item
+On HP-UX 11, in 64-bit mode, when the macro @code{_HPUX_ALT_XOPEN_SOCKET_API}
+is not defined, this function behaves incorrectly because it is declared
+to take a pointer to a 64-bit wide @code{socklen_t} entity but in fact
+considers it as a pointer to a 32-bit wide @code{unsigned int} entity.
 @end itemize
 
 Portability problems not fixed by Gnulib:
diff --git a/doc/posix-functions/getsockname.texi b/doc/posix-functions/getsockname.texi
index 7d462a72b0..714565db38 100644
--- a/doc/posix-functions/getsockname.texi
+++ b/doc/posix-functions/getsockname.texi
@@ -12,6 +12,11 @@ Portability problems fixed by Gnulib:
 On Windows platforms (excluding Cygwin), error codes from this function
 are not placed in @code{errno}, and @code{WSAGetLastError} must be used
 instead.
+@item
+On HP-UX 11, in 64-bit mode, when the macro @code{_HPUX_ALT_XOPEN_SOCKET_API}
+is not defined, this function behaves incorrectly because it is declared
+to take a pointer to a 64-bit wide @code{socklen_t} entity but in fact
+considers it as a pointer to a 32-bit wide @code{unsigned int} entity.
 @end itemize
 
 Portability problems not fixed by Gnulib:
diff --git a/doc/posix-functions/getsockopt.texi b/doc/posix-functions/getsockopt.texi
index 9e7d26e433..f15c9342fa 100644
--- a/doc/posix-functions/getsockopt.texi
+++ b/doc/posix-functions/getsockopt.texi
@@ -12,6 +12,11 @@ Portability problems fixed by Gnulib:
 On Windows platforms (excluding Cygwin), error codes from this function
 are not placed in @code{errno}, and @code{WSAGetLastError} must be used
 instead.
+@item
+On HP-UX 11, in 64-bit mode, when the macro @code{_HPUX_ALT_XOPEN_SOCKET_API}
+is not defined, this function behaves incorrectly because it is declared
+to take a pointer to a 64-bit wide @code{socklen_t} entity but in fact
+considers it as a pointer to a 32-bit wide @code{unsigned int} entity.
 @end itemize
 
 Portability problems not fixed by Gnulib:
diff --git a/doc/posix-functions/recvfrom.texi b/doc/posix-functions/recvfrom.texi
index f591d0c2f9..251ed5c7af 100644
--- a/doc/posix-functions/recvfrom.texi
+++ b/doc/posix-functions/recvfrom.texi
@@ -16,6 +16,11 @@ OSF/1 5.1.
 On Windows platforms (excluding Cygwin), error codes from this function
 are not placed in @code{errno}, and @code{WSAGetLastError} must be used
 instead.
+@item
+On HP-UX 11, in 64-bit mode, when the macro @code{_HPUX_ALT_XOPEN_SOCKET_API}
+is not defined, this function behaves incorrectly because it is declared
+to take a pointer to a 64-bit wide @code{socklen_t} entity but in fact
+considers it as a pointer to a 32-bit wide @code{unsigned int} entity.
 @end itemize
 
 Portability problems not fixed by Gnulib: