}
#ifdef DEBUG
+/* This assumes ASCII and is suitable only for debugging */
+char *
+strescape (str)
+ const char *str;
+{
+ char *r, *result;
+ unsigned char *s;
+
+ r = result = (char *)xmalloc (strlen (str) * 2 + 1);
+
+ for (s = (unsigned char *)str; s && *s; s++)
+ {
+ if (*s < ' ')
+ {
+ *r++ = '^';
+ *r++ = *s+64;
+ }
+ else if (*s == 127)
+ {
+ *r++ = '^';
+ *r++ = '?';
+ }
+ else
+ *r++ = *s;
+ }
+
+ *r = '\0';
+ return result;
+}
+
void
#if defined (PREFER_STDARG)
itrace (const char *format, ...)