maint: Use convention 'void * fcn ()' for functions which return pointers. * make_int.cc, dialog.h, file-editor-interface.h, file-editor-tab.h, file-editor.h, octave-txt-lexer.h, main-window.h, octave-dock-widget.h, parser.h, webinfo.h, resource-manager.h, thread-manager.h, c-file-ptr-stream.h, call-stack.h, comment-list.h, ft-text-renderer.h, gl-render.cc, input.h, mex.cc, mexproto.h, mxarray.in.h, oct-fstrm.h, oct-iostrm.h, oct-procbuf.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.h, octave-link.h, sighandlers.cc, symtab.h, sysdep.h, utils.h, audiodevinfo.cc, ov-base-diag.h, ov-base-int.h, ov-base-scalar.h, ov-base-sparse.h, ov-base.h, ov-bool-mat.h, ov-bool-sparse.h, ov-bool.h, ov-builtin.h, ov-cell.h, ov-ch-mat.h, ov-class.h, ov-classdef.h, ov-colon.h, ov-complex.cc, ov-complex.h, ov-cs-list.h, ov-cx-diag.h, ov-cx-mat.h, ov-cx-sparse.h, ov-fcn-handle.h, ov-fcn-inline.h, ov-fcn.h, ov-float.h, ov-flt-complex.h, ov-flt-cx-diag.h, ov-flt-cx-mat.h, ov-flt-re-diag.h, ov-flt-re-mat.h, ov-intx.h, ov-java.cc, ov-java.h, ov-lazy-idx.h, ov-mex-fcn.h, ov-oncleanup.h, ov-perm.h, ov-range.h, ov-re-diag.h, ov-re-mat.h, ov-re-sparse.h, ov-scalar.h, ov-str-mat.h, ov-struct.h, ov-usr-fcn.h, ov.h, octave.h, bp-table.h, jit-ir.h, jit-typeinfo.h, jit-util.h, lex.h, parse.h, pt-arg-list.h, pt-array-list.h, pt-assign.h, pt-binop.h, pt-cell.h, pt-classdef.h, pt-cmd.h, pt-colon.h, pt-const.h, pt-decl.h, pt-except.h, pt-exp.h, pt-fcn-handle.h, pt-funcall.h, pt-id.h, pt-idx.h, pt-jit.h, pt-jump.h, pt-loop.h, pt-mat.h, pt-misc.h, pt-select.h, pt-stmt.h, pt-unop.h, token.h, Array.cc, Array.h, DiagArray2.h, Sparse.h, dim-vector.h, idx-vector.h, sparse-chol.cc, cmd-edit.cc, cmd-edit.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-array-gripes.cc, lo-utils.h, oct-inttypes.h, oct-locbuf.h, oct-refcount.h, oct-rl-edit.h, oct-rl-hist.h, oct-shlib.cc, oct-shlib.h, str-vec.h, canonicalize-file-name-wrapper.h, dirent-wrappers.h, getopt-wrapper.h, glob-wrappers.h, localcharset-wrapper.h, set-program-name-wrapper.h, signal-wrappers.h, strdup-wrapper.h, tmpfile-wrapper.h, unistd-wrappers.h, display-available.h: Use convention 'void * fcn ()' for functions which return pointers.

--- a/libinterp/corefcn/oct-strstrm.h	Thu Apr 27 12:31:17 2017 -0400
+++ b/libinterp/corefcn/oct-strstrm.h	Thu Apr 27 09:48:57 2017 -0700
@@ -64,7 +64,7 @@
 
   std::string name (void) const { return ""; }
 
-  virtual std::streambuf *rdbuf (void) = 0;
+  virtual std::streambuf * rdbuf (void) = 0;
 
   virtual bool bad (void) const = 0;
 
@@ -115,13 +115,13 @@
 
   bool eof (void) const { return is.eof (); }
 
-  std::istream *input_stream (void) { return &is; }
+  std::istream * input_stream (void) { return &is; }
 
-  std::ostream *output_stream (void) { return 0; }
+  std::ostream * output_stream (void) { return 0; }
 
   off_t tell (void) { return is.tellg (); }
 
-  std::streambuf *rdbuf (void) { return is ? is.rdbuf () : 0; }
+  std::streambuf * rdbuf (void) { return is ? is.rdbuf () : 0; }
 
   bool bad (void) const { return is.bad (); }
 
@@ -163,13 +163,13 @@
 
   bool eof (void) const { return os.eof (); }
 
-  std::istream *input_stream (void) { return 0; }
+  std::istream * input_stream (void) { return 0; }
 
-  std::ostream *output_stream (void) { return &os; }
+  std::ostream * output_stream (void) { return &os; }
 
   std::string str (void) { return os.str (); }
 
-  std::streambuf *rdbuf (void) { return os ? os.rdbuf () : 0; }
+  std::streambuf * rdbuf (void) { return os ? os.rdbuf () : 0; }
 
   bool bad (void) const { return os.bad (); }