diff options
Diffstat (limited to 'manual/socket.texi')
| -rw-r--r-- | manual/socket.texi | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/manual/socket.texi b/manual/socket.texi index 24b4563..25d9276 100644 --- a/manual/socket.texi +++ b/manual/socket.texi @@ -325,11 +325,10 @@ Each address format has a symbolic name which starts with @samp{AF_}. Each of them corresponds to a @samp{PF_} symbol which designates the corresponding namespace. Here is a list of address format names: -@table @code +@vtable @code @comment sys/socket.h @comment POSIX @item AF_LOCAL -@vindex AF_LOCAL This designates the address format that goes with the local namespace. (@code{PF_LOCAL} is the name of that namespace.) @xref{Local Namespace Details}, for information about this address format. @@ -337,7 +336,6 @@ Details}, for information about this address format. @comment sys/socket.h @comment BSD, Unix98 @item AF_UNIX -@vindex AF_UNIX This is a synonym for @code{AF_LOCAL}. Although @code{AF_LOCAL} is mandated by POSIX.1g, @code{AF_UNIX} is portable to more systems. @code{AF_UNIX} was the traditional name stemming from BSD, so even most @@ -348,14 +346,12 @@ vs. @code{PF_LOCAL}). @comment sys/socket.h @comment GNU @item AF_FILE -@vindex AF_FILE This is another synonym for @code{AF_LOCAL}, for compatibility. (@code{PF_FILE} is likewise a synonym for @code{PF_LOCAL}.) @comment sys/socket.h @comment BSD @item AF_INET -@vindex AF_INET This designates the address format that goes with the Internet namespace. (@code{PF_INET} is the name of that namespace.) @xref{Internet Address Formats}. @@ -369,14 +365,13 @@ This is similar to @code{AF_INET}, but refers to the IPv6 protocol. @comment sys/socket.h @comment BSD @item AF_UNSPEC -@vindex AF_UNSPEC This designates no particular address format. It is used only in rare cases, such as to clear out the default destination address of a ``connected'' datagram socket. @xref{Sending Datagrams}. The corresponding namespace designator symbol @code{PF_UNSPEC} exists for completeness, but there is no reason to use it in a program. -@end table +@end vtable @file{sys/socket.h} defines symbols starting with @samp{AF_} for many different kinds of networks, most or all of which are not actually @@ -1436,33 +1431,29 @@ with other systems.) Here are the error codes that you may find in @code{h_errno}: -@table @code +@vtable @code @comment netdb.h @comment BSD @item HOST_NOT_FOUND -@vindex HOST_NOT_FOUND No such host is known in the database. @comment netdb.h @comment BSD @item TRY_AGAIN -@vindex TRY_AGAIN This condition happens when the name server could not be contacted. If you try again later, you may succeed then. @comment netdb.h @comment BSD @item NO_RECOVERY -@vindex NO_RECOVERY A non-recoverable error occurred. @comment netdb.h @comment BSD @item NO_ADDRESS -@vindex NO_ADDRESS The host database contains an entry for the name, but it doesn't have an associated Internet address. -@end table +@end vtable The lookup functions above all have one thing in common: they are not reentrant and therefore unusable in multi-threaded applications. |