Docs: don't use the type tag

Just avoid explicit docbook markup.

gio/gcredentials.c

@@ -53,21 +53,19 @@
  * #GUnixCredentialsMessage, g_unix_connection_send_credentials() and
  * g_unix_connection_receive_credentials() for details.
  *
- * On Linux, the native credential type is a <type>struct ucred</type>
- * - see the
- * <citerefentry><refentrytitle>unix</refentrytitle><manvolnum>7</manvolnum></citerefentry>
- * man page for details. This corresponds to
+ * On Linux, the native credential type is a struct ucred - see the
+ * unix(7) man page for details. This corresponds to
  * %G_CREDENTIALS_TYPE_LINUX_UCRED.
  *
  * On FreeBSD, Debian GNU/kFreeBSD, and GNU/Hurd, the native
- * credential type is a <type>struct cmsgcred</type>. This corresponds
+ * credential type is a struct cmsgcred. This corresponds
  * to %G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED.
  *
- * On OpenBSD, the native credential type is a <type>struct sockpeercred</type>.
+ * On OpenBSD, the native credential type is a struct sockpeercred.
  * This corresponds to %G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED.
  *
  * On Solaris (including OpenSolaris and its derivatives), the native
- * credential type is a <type>ucred_t</type>. This corresponds to
+ * credential type is a ucred_t. This corresponds to
  * %G_CREDENTIALS_TYPE_SOLARIS_UCRED.
  */
 

gio/ginetsocketaddress.c

@@ -44,8 +44,8 @@
 /**
  * GInetSocketAddress:
  *
- * An IPv4 or IPv6 socket address, corresponding to a <type>struct
- * sockaddr_in</type> or <type>struct sockaddr_in6</type>.
+ * An IPv4 or IPv6 socket address, corresponding to a struct
+ * sockaddr_in or struct sockaddr_in6.
  */
 
 struct _GInetSocketAddressPrivate

gio/gsocketaddress.c

@@ -47,16 +47,15 @@
  *     for socket communication
  * @include: gio/gio.h
  *
- * #GSocketAddress is the equivalent of <type>struct sockaddr</type>
- * in the BSD sockets API. This is an abstract class; use
- * #GInetSocketAddress for internet sockets, or #GUnixSocketAddress
- * for UNIX domain sockets.
+ * #GSocketAddress is the equivalent of struct sockaddr in the BSD
+ * sockets API. This is an abstract class; use #GInetSocketAddress
+ * for internet sockets, or #GUnixSocketAddress for UNIX domain sockets.
  */
 
 /**
  * GSocketAddress:
  *
- * A socket endpoint address, corresponding to <type>struct sockaddr</type>
+ * A socket endpoint address, corresponding to struct sockaddr
  * or one of its subtypes.
  */
 
@@ -80,7 +79,7 @@ G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GSocketAddress, g_socket_address, G_TYPE_OBJEC
  *
  * Gets the socket family type of @address.
  *
- * Returns: the socket family type of @address.
+ * Returns: the socket family type of @address
  *
  * Since: 2.22
  */
@@ -143,11 +142,11 @@ g_socket_address_init (GSocketAddress *address)
  * g_socket_address_get_native_size:
  * @address: a #GSocketAddress
  *
- * Gets the size of @address's native <type>struct sockaddr</type>.
+ * Gets the size of @address's native struct sockaddr.
  * You can use this to allocate memory to pass to
  * g_socket_address_to_native().
  *
- * Returns: the size of the native <type>struct sockaddr</type> that
+ * Returns: the size of the native struct sockaddr that
  *     @address represents
  *
  * Since: 2.22
@@ -164,17 +163,16 @@ g_socket_address_get_native_size (GSocketAddress *address)
  * g_socket_address_to_native:
  * @address: a #GSocketAddress
  * @dest: a pointer to a memory location that will contain the native
- * <type>struct sockaddr</type>.
+ * struct sockaddr
  * @destlen: the size of @dest. Must be at least as large as
- * g_socket_address_get_native_size().
- * @error: #GError for error reporting, or %NULL to ignore.
+ *     g_socket_address_get_native_size()
+ * @error: #GError for error reporting, or %NULL to ignore
  *
- * Converts a #GSocketAddress to a native <type>struct
- * sockaddr</type>, which can be passed to low-level functions like
- * connect() or bind().
+ * Converts a #GSocketAddress to a native struct sockaddr, which can
+ * be passed to low-level functions like connect() or bind().
  *
- * If not enough space is available, a %G_IO_ERROR_NO_SPACE error is
- * returned. If the address type is not known on the system
+ * If not enough space is available, a %G_IO_ERROR_NO_SPACE error
+ * is returned. If the address type is not known on the system
  * then a %G_IO_ERROR_NOT_SUPPORTED error is returned.
  *
  * Returns: %TRUE if @dest was filled in, %FALSE on error
@@ -194,14 +192,14 @@ g_socket_address_to_native (GSocketAddress  *address,
 
 /**
  * g_socket_address_new_from_native:
- * @native: a pointer to a <type>struct sockaddr</type>
+ * @native: a pointer to a struct sockaddr
  * @len: the size of the memory location pointed to by @native
  *
  * Creates a #GSocketAddress subclass corresponding to the native
- * <type>struct sockaddr</type> @native.
+ * struct sockaddr @native.
  *
- * Returns: a new #GSocketAddress if @native could successfully be converted,
- * otherwise %NULL.
+ * Returns: a new #GSocketAddress if @native could successfully
+ *     be converted, otherwise %NULL
  *
  * Since: 2.22
  */

gio/gunixsocketaddress.c

@@ -55,7 +55,7 @@
  * GUnixSocketAddress:
  *
  * A UNIX-domain (local) socket address, corresponding to a
- * <type>struct sockaddr_un</type>.
+ * struct sockaddr_un.
  */
 
 enum