--- gforth/engine/engine.c	2011/12/31 15:29:26	1.116
+++ gforth/engine/engine.c	2012/01/16 22:17:32	1.117
@@ -89,7 +89,13 @@
 
 #ifdef MEMCMP_AS_SUBROUTINE
 extern int gforth_memcmp(const char * s1, const char * s2, size_t n);
+extern Char *gforth_memmove(Char * dest, const Char* src, Cell n);
+extern Char *gforth_memset(Char * s, Cell c, UCell n);
+extern Char *gforth_memcpy(Char * dest, const Char* src, Cell n);
 #define memcmp(s1,s2,n) gforth_memcmp(s1,s2,n)
+#define memmove(a,b,c) gforth_memmove(a,b,c)
+#define memset(a,b,c) gforth_memset(a,b,c)
+#define memcpy(a,b,c) gforth_memcpy(a,b,c)
 #endif
 
 #define NEWLINE	'\n'