add section numbers to page xrefs

man3/ecvt_r.3

@@ -64,11 +64,11 @@ The functions
 and
 .BR qfcvt_r ()
 are identical to
-.BR ecvt (),
-.BR fcvt (),
-.BR qecvt ()
+.BR ecvt (3),
+.BR fcvt (3),
+.BR qecvt (3)
 and
-.BR qfcvt (),
+.BR qfcvt (3),
 respectively, except that they do not return their result in a static
 buffer, but instead use the supplied
 .I buf

man3/getaddrinfo.3

@@ -495,7 +495,7 @@ main(int argc, char *argv[])
     }
 
     /* getaddrinfo() returns a list of address structures.
-       Try each address until we successfully bind().
+       Try each address until we successfully bind(2).
        If socket(2) (or bind(2)) fails, we (close the socket
        and) try the next address. */
 
@@ -592,8 +592,8 @@ main(int argc, char *argv[])
     }
 
     /* getaddrinfo() returns a list of address structures.
-       Try each address until we successfully connect().
-       If socket() (or connect()) fails, we (close the socket
+       Try each address until we successfully connect(2).
+       If socket(2) (or connect(2)) fails, we (close the socket
        and) try the next address. */
 
     for (rp = result; rp != NULL; rp = rp\->ai_next) {

man3/iconv_close.3

@@ -23,7 +23,7 @@ The
 .BR iconv_close ()
 function deallocates a conversion descriptor \fIcd\fP
 previously allocated using
-.BR iconv_open ().
+.BR iconv_open (3).
 .SH "RETURN VALUE"
 When successful, the
 .BR iconv_close ()

man3/sigset.3

@@ -199,7 +199,7 @@ for further details.
 
 In order to wait for a signal,
 BSD and System V both provided a function named
-.BR sigpause (),
+.BR sigpause (3),
 but this function has a different argument on the two systems.
 See
 .BR sigpause (3)

man3/sigvec.3

@@ -238,7 +238,7 @@ for further details.
 
 In order to wait for a signal,
 BSD and System V both provided a function named
-.BR sigpause (),
+.BR sigpause (3),
 but this function has a different argument on the two systems.
 See
 .BR sigpause (3)