--- /dev/null
+/*
+** Copyright 2011 Double Precision, Inc.
+** See COPYING for distribution information.
+**
+*/
+
+#include "unicode_config.h"
+#include "unicode.h"
+
+#include <stdlib.h>
+
+struct i {
+ size_t n_start;
+ size_t n_size;
+ unicode_char v;
+};
+
+#include "unicode_htmlent.h"
+
+
+static int compar(const void *key, const void *obj)
+{
+ size_t j;
+ const char *p=n + ((const struct i *)obj)->n_start;
+ const char *ckey=(const char *)key;
+
+ for (j=0; j<((const struct i *)obj)->n_size; ++j)
+ {
+ if (*ckey < *p)
+ return -1;
+
+ if (*ckey > *p)
+ return 1;
+
+ ++p;
+ ++ckey;
+ }
+
+ if (*ckey)
+ return 1;
+
+ return 0;
+}
+
+unicode_char unicode_html40ent_lookup(const char *n)
+{
+ const struct i *ptr=
+ (const struct i *)bsearch(n, ii,
+ sizeof(ii)/sizeof(ii[0]),
+ sizeof(ii[0]), compar);
+
+ if (ptr)
+ return ptr->v;
+ return 0;
+}