Add section numbers to xrefs

man3/fputws.3

@@ -22,7 +22,7 @@ fputws \- write a wide-character string to a FILE stream
 .fi
 .SH DESCRIPTION
 The \fBfputws\fP() function is the wide-character equivalent of
-the \fBfputs\fP() function.
+the \fBfputs\fP(3) function.
 It writes the wide-character string starting at \fIws\fP, up to but
 not including the terminating L'\\0' character, to \fIstream\fP.
 .PP

man3/getgrnam.3

@@ -118,7 +118,7 @@ after the call, it should be set to zero before the call.
 .LP
 The return value may point to static area, and may be overwritten
 by subsequent calls to
-.BR getgrent (),
+.BR getgrent (3),
 .BR getgrgid (),
 or
 .BR getgrnam ().

man3/glob.3

@@ -153,10 +153,10 @@ a pointer to the path which failed, and
 the value of
 .I errno
 as returned from one of the calls to
-.BR opendir (),
-.BR readdir (),
+.BR opendir (3),
+.BR readdir (3),
 or
-.BR stat ().
+.BR stat (2).
 If
 .I errfunc
 returns non-zero, or if
@@ -225,9 +225,9 @@ POSIX.2, POSIX.1-2001.
 The
 .BR glob ()
 function may fail due to failure of underlying function calls, such as
-.BR malloc ()
+.BR malloc (3)
 or
-.BR opendir ().
+.BR opendir (3).
 These will store their error code in
 .IR errno .
 .SH NOTES

man3/mbstowcs.3

@@ -66,5 +66,5 @@ C99
 The behaviour of \fBmbstowcs\fP() depends on the LC_CTYPE category of the
 current locale.
 .PP
-The function \fBmbsrtowcs\fP() provides a better interface to the same
+The function \fBmbsrtowcs\fP(3) provides a better interface to the same
 functionality.

man3/mbtowc.3

@@ -73,5 +73,5 @@ The behaviour of \fBmbtowc\fP() depends on the LC_CTYPE category of the
 current locale.
 .PP
 This function is not multi-thread safe.
-The function \fBmbrtowc\fP() provides
+The function \fBmbrtowc\fP(3) provides
 a better interface to the same functionality.

man3/popen.3

@@ -111,7 +111,7 @@ function returns \-1 if
 .\" is not associated with a ``popen()ed'' command, if
 .\".I stream
 .\" already ``pclose()d'', or if
-.BR wait4 ()
+.BR wait4 (2)
 returns an error, or some other error is detected.
 .SH ERRORS
 The

man3/puts.3

@@ -104,7 +104,7 @@ C89, C99
 It is not advisable to mix calls to output functions from the
 .B stdio
 library with low-level calls to
-.BR write ()
+.BR write (2)
 for the file descriptor associated with the same output stream; the results
 will be undefined and very probably not what you want.
 .SH "SEE ALSO"

man3/wcscasecmp.3

@@ -24,7 +24,7 @@ The \fBwcscasecmp\fP() function is the wide-character equivalent of the
 \fBstrcasecmp\fP(3) function.
 It compares the wide-character string pointed to
 by \fIs1\fP and the wide-character string pointed to by \fIs2\fP, ignoring
-case differences (\fBtowupper\fP(), \fBtowlower\fP()).
+case differences (\fBtowupper\fP(3), \fBtowlower\fP(3)).
 .SH "RETURN VALUE"
 The \fBwcscasecmp\fP() function returns zero if the wide-character strings at
 \fIs1\fP and \fIs2\fP are equal except for case distinctions.

man3/wcsncasecmp.3

@@ -26,7 +26,7 @@ It compares the wide-character string pointed to
 by \fIs1\fP and the wide-character string
 pointed to by \fIs2\fP, but at most
 \fIn\fP wide characters from each string, ignoring case differences
-(\fBtowupper\fP(), \fBtowlower\fP()).
+(\fBtowupper\fP(3), \fBtowlower\fP(3)).
 .SH "RETURN VALUE"
 The \fBwcsncasecmp\fP() function returns zero
 if the wide-character strings at

man3/wcstombs.3

@@ -66,5 +66,5 @@ C99.
 The behaviour of \fBwcstombs\fP() depends on the LC_CTYPE category of the
 current locale.
 .PP
-The function \fBwcsrtombs\fP() provides a thread safe interface to the same
-functionality.
+The function \fBwcsrtombs\fP(3) provides a thread safe interface to
+the same functionality.

man3/wctomb.3

@@ -64,5 +64,5 @@ The behaviour of \fBwctomb\fP() depends on the LC_CTYPE category of the
 current locale.
 .PP
 This function is not multi-thread safe.
-The function \fBwcrtomb\fP() provides
+The function \fBwcrtomb\fP(3) provides
 a better interface to the same functionality.

man3/wprintf.3

@@ -70,7 +70,7 @@ The output consists of wide characters, not bytes.
 .TP
 .B \(bu
 \fBswprintf\fP() and \fBvswprintf\fP() take a \fImaxlen\fP argument,
-\fBsprintf\fP(3) and \fBvsprintf\fP()3 do not.
+\fBsprintf\fP(3) and \fBvsprintf\fP(3) do not.
 (\fBsnprintf\fP(3) and \fBvsnprintf\fP(3)
 take a \fImaxlen\fP argument, but these functions do not return \-1 upon
 buffer overflow on Linux.)