diff -ruN nyquist/xlisp/security.c ../audacity/lib-src/libnyquist/nyquist/xlisp/security.c
--- nyquist/xlisp/security.c	2015-03-05 03:00:46.520295100 -0600
+++ nyquist/xlisp/security.c	2015-03-05 03:08:57.526379100 -0600
@@ -4,7 +4,9 @@
  */
 
 #include <stdlib.h>
+#ifndef WIN32
 #include <unistd.h>
+#endif
 #include <string.h>
 #include <xlisp.h>
 
@@ -56,13 +58,13 @@
 int ok_to_open(const char *filename, const char *mode)
 {
     char fullname[STRMAX];
-    if (index(mode, 'r')) { /* asking for read permission */
+    if (strchr(mode, 'r')) { /* asking for read permission */
 	if (secure_read_path) { /* filename must be in path */
 	    find_full_path(filename, fullname);
 	    if (!in_tree(fullname, secure_read_path)) return FALSE;
 	}
     }
-    if (index(mode, 'w')) { /* asking for write permission */
+    if (strchr(mode, 'w')) { /* asking for write permission */
 	if (safe_write_path) { /* filename must be in path */
 	    find_full_path(filename, fullname);
 	    if (!in_tree(fullname, safe_write_path)) return FALSE;
@@ -98,7 +100,7 @@
     /* if windows, replace \ with / to simplify the rest */
     char *loc = fullname;
     if (os_pathchar != '/') {
-        while ((loc = index(loc, os_pathchar))) {
+        while ((loc = strchr(loc, os_pathchar))) {
 	    *loc = '/';
 	}
     }
diff -ruN nyquist/xlisp/xlisp.h ../audacity/lib-src/libnyquist/nyquist/xlisp/xlisp.h
--- nyquist/xlisp/xlisp.h	2015-03-05 03:00:46.507294400 -0600
+++ nyquist/xlisp/xlisp.h	2015-03-05 03:10:39.273198700 -0600
@@ -40,6 +40,8 @@
 #define OFFTYPE		long
 #define SAVERESTORE
 #define XL_LITTLE_ENDIAN 
+#define _setjmp setjmp
+#define _longjmp longjmp
 #endif
 
 /* for the Turbo C compiler - MS-DOS, large model */