---- /dev/humancontroller                                           ---- 8ef54e9

  import a fix for a QVM tool segfault


diff --git src/tools/lcc/cpp/unix.c src/tools/lcc/cpp/unix.c
index 397b1b4..587f3bb 100644
--- src/tools/lcc/cpp/unix.c
+++ src/tools/lcc/cpp/unix.c
@@ -109,7 +109,7 @@ memmove(void *dp, const void *sp, size_t n)
 	unsigned char *cdp, *csp;
 
 	if (n<=0)
-		return 0;
+		return dp;
 	cdp = dp;
 	csp = (unsigned char *)sp;
 	if (cdp < csp) {
@@ -123,6 +123,6 @@ memmove(void *dp, const void *sp, size_t n)
 			*--cdp = *--csp;
 		} while (--n);
 	}
-	return 0;
+	return dp;
 }
 #endif