doc: Support hyper-linking to defined structures for man pages

doc/Makefile.am

@@ -133,7 +133,11 @@ man-page-build: upg-page-build man-page-start
 			echo "/// @page man_$${ENTRY} $${MANUAL}" > $(top_builddir)/doc/man_tmp/$${MANUAL}.dox ;\
 			echo "/// @htmlinclude $${ENTRY}.html $${MANUAL}" >> $(top_builddir)/doc/man_tmp/$${MANUAL}.dox ;\
 			## Create html file
-			cat $(top_builddir)/man/$${BASE}.html | ${SED} "s/Function: $${ENTRY}(/<a class=\"anchor\" id=\"$${ENTRY}\"><\/a>\0/" > $(top_builddir)/doc/man_html/$${ENTRY}.html ;\
+			cat $(top_builddir)/man/$${BASE}.html |\
+			  ${SED} "s/Function: $${ENTRY}(/<a class=\"anchor\" id=\"$${ENTRY}\"><\/a>\0/" |\
+			  ${SED} "s/Structure $${ENTRY}</<a class=\"anchor\" id=\"$${ENTRY}\"><\/a>\0/" |\
+			  ${SED} "s/SECTION: [A-Za-z /]*: $${ENTRY}</<a class=\"anchor\" id=\"$${ENTRY}\"><\/a>\0/" \
+			  > $(top_builddir)/doc/man_html/$${ENTRY}.html ;\
 			## Update scratch_insert_file for sorting later
 			echo "$${ENTRY}" >> $(top_builddir)/doc/scratch_insert_file ;\
 		done ;\

man/Makefile.am

@@ -103,6 +103,7 @@ A2X_EXTRA_PAGES_5 = @DOLLAR_SIGN@(shell for fil in $(TXT5) ; do sed -ne '/^NAME/
 # Then all the alternative names as well as the extras defined below need
 # to be cleaned up in a 'make unistall'.
 install-man: install-man3 install-man5 install-man7
+	@echo ".so man3/coap_address.3" > coap_resolve_address_info.3
 	@echo ".so man3/coap_address.3" > coap_free_address_info.3
 	@echo ".so man3/coap_address.3" > coap_sockaddr_un.3
 	@echo ".so man3/coap_address.3" > coap_address_set_unix_domain.3

man/coap_address.txt.in

@@ -18,6 +18,7 @@ coap_address_equals,
 coap_address_get_port,
 coap_address_set_port,
 coap_get_available_scheme_hint_bits,
+coap_addr_info_t,
 coap_resolve_address_info,
 coap_free_address_info,
 coap_sockaddr_un,
@@ -34,6 +35,8 @@ SYNOPSIS
 
 *struct coap_address_t;*
 
+*struct coap_addr_info_t;*
+
 *struct coap_sockaddr_un;*
 
 *void coap_address_init(coap_address_t *_addr_);*