more manpage beautification

docs/ares_set_socket_functions.3

@@ -103,66 +103,54 @@ members and callbacks (which are different from the
 \fBares_socket_functions(3)\fP members and callbacks):
 
 .RS 4
-.TP 18
-.B \fIversion\fP
+.TP 8
+.B unsigned int \fIversion\fP
 .br
 ABI Version of structure.  Must be set to a value of "1".
 
-.TP 18
-.B \fIflags\fP
+.TP 8
+.B unsigned int \fIflags\fP
 .br
 Flags available are specified in \fIares_sockfunc_flags_t\fP.
 
-.TP 18
-.B \fIasocket\fP
-.B ares_socket_t(*)(int \fIdomain\fP, int \fItype\fP, int \fIprotocol\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B ares_socket_t (*\fIasocket\fP)(int \fIdomain\fP, int \fItype\fP, int \fIprotocol\fP, void * \fIuser_data\fP)
 .br
 \fIREQUIRED\fP. Creates an endpoint for communication and returns a descriptor. \fIdomain\fP,
 \fItype\fP, and \fIprotocol\fP each correspond to the parameters of
 \fBsocket(2)\fP. Returns a handle to the newly created socket, or
 \fBARES_SOCKET_BAD\fP on error.
 
-.TP 18
-.B \fIaclose\fP
-.B int(*)(ares_socket_t \fIfd\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B int (*\fIaclose\fP)(ares_socket_t \fIfd\fP, void * \fIuser_data\fP)
 .br
 \fIREQUIRED\fP. Closes the socket endpoint indicated by \fIfd\fP. See \fBclose(2)\fP.
 
-.TP 18
-.B \fIasetsockopt\fP
-.B int(*)(ares_socket_t \fIfd\fP, ares_socket_opt_t \fIopt\fP, const void * \fIval\fP, ares_socklen_t \fIval_size\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B int (*\fIasetsockopt\fP)(ares_socket_t \fIfd\fP, ares_socket_opt_t \fIopt\fP, const void * \fIval\fP, ares_socklen_t \fIval_size\fP, void * \fIuser_data\fP)
 .br
 \fIREQUIRED\fP. Set socket option.  This shares a similar syntax to the BSD \fIsetsockopt(2)\fP
 call, however c-ares uses different options for portability. The value is
 a pointer to the desired value, and each option has its own data type listed
 in the options below defined in \fIares_socket_opt_t\fP.
 
-.TP 18
-.B \fIaconnect\fP
-.B int(*)(ares_socket_t \fIfd\fP, const struct sockaddr * \fIaddr\fP, ares_socklen_t \fIaddr_len\fP, unsigned int \fIflags\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B int (*\fIaconnect\fP)(ares_socket_t \fIfd\fP, const struct sockaddr * \fIaddr\fP, ares_socklen_t \fIaddr_len\fP, unsigned int \fIflags\fP, void * \fIuser_data\fP)
 .br
 \fIREQUIRED\fP. Initiate a connection to the address indicated by \fIaddr\fP on
 a socket. Additional flags controlling behavior are in
 \fIares_socket_connect_flags_t\fP. See \fBconnect(2)\fP.
 
-.TP 18
-.B \fIarecvfrom\fP
-.B ares_ssize_t(*)(ares_socket_t \fIfd\fP, void * \fIbuffer\fP, size_t \fIbuf_size\fP, int \fIflags\fP, struct sockaddr * \fIaddr\fP, ares_socklen_t * \fIaddr_len\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B ares_ssize_t (*\fIarecvfrom\fP)(ares_socket_t \fIfd\fP, void * \fIbuffer\fP, size_t \fIbuf_size\fP, int \fIflags\fP, struct sockaddr * \fIaddr\fP, ares_socklen_t * \fIaddr_len\fP, void * \fIuser_data\fP)
 .br
 \fIREQUIRED\fP. Receives data from remote socket endpoint, if available. If the
 \fIaddr\fP parameter is not NULL and the connection protocol provides the source
 address, the callback should fill this in. The \fIflags\fP parameter is
 currently unused. See \fBrecvfrom(2)\fP.
 
-.TP 18
-.B \fIasendto\fP
-.B ares_ssize_t(*)(ares_socket_t \fIfd\fP, const void * \fIbuffer\fP, size_t \fIlength\fP, int \fIflags\fP, const struct sockaddr * \fIaddress\fP, ares_socklen_t \fIaddress_len\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B ares_ssize_t (*\fIasendto\fP)(ares_socket_t \fIfd\fP, const void * \fIbuffer\fP, size_t \fIlength\fP, int \fIflags\fP, const struct sockaddr * \fIaddress\fP, ares_socklen_t \fIaddress_len\fP, void * \fIuser_data\fP)
 .br
 \fIREQUIRED\fP. Send data, as provided by the \fIbuffer\fP, to the socket
 endpoint. The \fIflags\fP member may be used on systems that have
@@ -170,19 +158,15 @@ endpoint. The \fIflags\fP member may be used on systems that have
 provided primarily to support TCP FastOpen scenarios, which will be NULL in
 other circumstances. See \fBsendto(2)\fP.
 
-.TP 18
-.B \fIagetsockname\fP
-.B int(*)(ares_socket_t \fIfd\fP, struct sockaddr * \fIaddress\fP, ares_socklen_t * \fIaddress_len\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B int (*\fIagetsockname\fP)(ares_socket_t \fIfd\fP, struct sockaddr * \fIaddress\fP, ares_socklen_t * \fIaddress_len\fP, void * \fIuser_data\fP)
 .br
 \fIOptional\fP. Retrieve the local address of a socket and store it into the provided
 \fIaddress\fP buffer. May impact DNS Cookies if not provided. See
 \fBgetsockname(2)\fP.
 
-.TP 18
-.B \fIabind\fP
-.B int(*)(ares_socket_t \fIfd\fP, unsigned int \fIflags\fP, const struct sockaddr * \fIaddress\fP, ares_socklen_t \fIaddress_len\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B int (*\fIabind\fP)(ares_socket_t \fIfd\fP, unsigned int \fIflags\fP, const struct sockaddr * \fIaddress\fP, ares_socklen_t \fIaddress_len\fP, void * \fIuser_data\fP)
 .br
 \fIOptional\fP. Bind the socket to an address.  This can be used for client
 connections to bind the source address for packets before connect, or
@@ -190,19 +174,15 @@ for server connections to bind to an address and port before listening.
 Currently c-ares only supports client connections.  \fIflags\fP from
 \fIares_socket_bind_flags_t\fP can be specified.  See \fBbind(2)\fP.
 
-.TP 18
-.B \fIaif_nametoindex\fP
-.B unsigned int(*)(const char * \fIifname\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B unsigned int (*\fIaif_nametoindex\fP)(const char * \fIifname\fP, void * \fIuser_data\fP)
 .br
 \fIOptional\fP. Convert an interface name into the interface index.  If this
 callback is not specified, then IPv6 Link-Local DNS servers cannot be used.
 See \fBif_nametoindex(2)\fP.
 
-.TP 18
-.B \fIaif_indextoname\fP
-.B const char *(*)(unsigned int \fIifindex\fP, char * \fIifname_buf\fP, size_t \fIifname_buf_len\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B const char * (*\fIaif_indextoname\fP)(unsigned int \fIifindex\fP, char * \fIifname_buf\fP, size_t \fIifname_buf_len\fP, void * \fIuser_data\fP)
 .br
 \fIOptional\fP. Convert an interface index into the interface name.  If this
 callback is not specified, then IPv6 Link-Local DNS servers cannot be used.
@@ -214,7 +194,7 @@ See \fBif_indextoname(2)\fP.
 \fBares_sockfunc_flags_t\fP values:
 
 .RS 4
-.TP 31
+.TP 8
 .B \fIARES_SOCKFUNC_FLAG_NONBLOCKING\fP
 .br
 Used to indicate the implementation of the io functions are asynchronous.
@@ -224,23 +204,23 @@ Used to indicate the implementation of the io functions are asynchronous.
 \fBares_socket_opt_t\fP values:
 
 .RS 4
-.TP 31
+.TP 8
 .B \fIARES_SOCKET_OPT_SENDBUF_SIZE\fP
 .br
 Set the Send Buffer size.  Value is a pointer to an int. (SO_SNDBUF).
 
-.TP 31
+.TP 8
 .B \fIARES_SOCKET_OPT_RECVBUF_SIZE\fP
 .br
 Set the Receive Buffer size.  Value is a pointer to an int. (SO_RCVBUF).
 
-.TP 31
+.TP 8
 .B \fIARES_SOCKET_OPT_BIND_DEVICE\fP
 .br
 Set the network interface to use as the source for communication. Value is a C
 string. (SO_BINDTODEVICE)
 
-.TP 31
+.TP 8
 .B \fIARES_SOCKET_OPT_TCP_FASTOPEN\fP
 .br
 Enable TCP Fast Open.  Value is a pointer to an \fIares_bool_t\fP.  On some
@@ -253,20 +233,22 @@ not support the feature and returns failure with errno set to \fBENOSYS\fP or
 .PP
 \fBares_socket_connect_flags_t\fP values:
 .RS 4
-.TP 31
+.TP 8
 .B \fIARES_SOCKET_CONN_TCP_FASTOPEN\fP
 .br
 Connect using TCP Fast Open.
+.RE
 
 .PP
 \fBares_socket_bind_flags_t\fP values:
 
-.TP 31
+.RS 4
+.TP 8
 .B \fIARES_SOCKET_BIND_TCP\fP
 .br
 Bind is for a TCP connection.
 
-.TP 31
+.TP 19
 .B \fIARES_SOCKET_BIND_CLIENT\fP
 .br
 Bind is for a client connection, not server.
@@ -298,43 +280,34 @@ The \fBares_socket_functions(3)\fP must provide the following callbacks (which
 are different from the \fBares_socket_functions_ex(3)\fP callbacks):
 
 .RS 4
-.TP 18
-.B \fIasocket\fP
-.B ares_socket_t(*)(int \fIdomain\fP, int \fItype\fP, int \fIprotocol\fP, void * \fIuser_data\fP)
+.TP 8
+.B ares_socket_t (* \fIasocket\fP)(int \fIdomain\fP, int \fItype\fP, int \fIprotocol\fP, void * \fIuser_data\fP)
 .br
 .br
 Creates an endpoint for communication and returns a descriptor. \fIdomain\fP, \fItype\fP, and \fIprotocol\fP
 each correspond to the parameters of \fBsocket(2)\fP. Returns ahandle to the
 newly created socket, or -1 on error.
 
-.TP 18
-.B \fIaclose\fP
-.B int(*)(ares_socket_t \fIfd\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B int (*\fIaclose\fP)(ares_socket_t \fIfd\fP, void * \fIuser_data\fP)
 .br
 Closes the socket endpoint indicated by \fIfd\fP. See \fBclose(2)\fP.
 
-.TP 18
-.B \fIaconnect\fP
-.B int(*)(ares_socket_t \fIfd\fP, const struct sockaddr * \fIaddr\fP, ares_socklen_t \fIaddr_len\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B int (*\fIaconnect\fP)(ares_socket_t \fIfd\fP, const struct sockaddr * \fIaddr\fP, ares_socklen_t \fIaddr_len\fP, void * \fIuser_data\fP)
 .br
 Initiate a connection to the address indicated by \fIaddr\fP on a socket. See
 \fBconnect(2)\fP
 
-.TP 18
-.B \fIarecvfrom\fP
-.B ares_ssize_t(*)(ares_socket_t \fIfd\fP, void * \fIbuffer\fP, size_t \fIbuf_size\fP, int \fIflags\fP, struct sockaddr * \fIaddr\fP, ares_socklen_t * \fIaddr_len\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B ares_ssize_t (*\fIarecvfrom\fP)(ares_socket_t \fIfd\fP, void * \fIbuffer\fP, size_t \fIbuf_size\fP, int \fIflags\fP, struct sockaddr * \fIaddr\fP, ares_socklen_t * \fIaddr_len\fP, void * \fIuser_data\fP)
 .br
 Receives data from remote socket endpoint, if available. If the \fIaddr\fP
 parameter is not NULL and the connection protocol provides the source address,
 the callback should fill this in. See \fBrecvfrom(2)\fP
 
-.TP 18
-.B \fIasendv\fP
-.B ares_ssize_t(*)(ares_socket_t \fIfd\fP, const struct iovec * \fIdata\fP, int \fIlen\fP, void * \fIuser_data\fP)
-.br
+.TP 8
+.B ares_ssize_t (*\fIasendv\fP)(ares_socket_t \fIfd\fP, const struct iovec * \fIdata\fP, int \fIlen\fP, void * \fIuser_data\fP)
 .br
 Send data, as provided by the iovec array \fIdata\fP, to the socket endpoint.
 See \fBwritev(2)\fP