--- a/liboctave/lo-utils.h
+++ b/liboctave/lo-utils.h
@@ -29,8 +29,8 @@
 #include <iostream>
 #include <string>
 
+#include "lo-cutils.h"
 #include "oct-cmplx.h"
-#include "syswait.h"
 
 extern OCTAVE_API bool xis_int_or_inf_or_nan (double x);
 extern OCTAVE_API bool xis_one_or_zero (double x);
@@ -53,16 +53,6 @@
 extern OCTAVE_API std::string octave_fgets (std::FILE *, bool& eof);
 extern OCTAVE_API std::string octave_fgetl (std::FILE *, bool& eof);
 
-extern "C" OCTAVE_API void
-octave_qsort (void *base, size_t n, size_t size,
-              int (*cmp) (const void *, const void *));
-
-extern "C" OCTAVE_API int
-octave_strcasecmp (const char *s1, const char *s2);
-
-extern "C" OCTAVE_API int
-octave_strncasecmp (const char *s1, const char *s2, size_t n);
-
 template <typename T>
 T
 octave_read_value (std::istream& is)
@@ -114,14 +104,4 @@
 extern OCTAVE_API void
 octave_write_float_complex (std::ostream& os, const FloatComplex& cval);
 
-#ifdef HAVE_LOADLIBRARY_API
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-extern "C" OCTAVE_API void *
-octave_w32_library_search (HINSTANCE handle, const char *name);
 #endif
-
-extern "C" OCTAVE_API pid_t
-octave_waitpid (pid_t pid, int *status, int options);
-
-#endif