--- a/zrus.c	Wed Aug 29 00:19:14 2007 +0200
+++ b/zrus.c	Sat Sep 01 00:50:11 2007 +0200
@@ -1,4 +1,7 @@
 #include <stdio.h>
+#include <unicode/uchar.h>
+#include <unicode/ustring.h>
+#include <unicode/utypes.h>
 #include "dictre.h"
 
 static int closed_accent(const unsigned char *tmp)
@@ -146,3 +149,99 @@
 
     return -1;
 }
+
+int get_case(enum Case *vcase, const char *str)
+{
+    UChar32 c;
+    int i;
+    int o;
+    int len;
+
+    len = strlen(str);
+
+    i=0;
+    o=0;
+    do
+    {
+        U8_NEXT(str, i, len, c);
+        /*printf("[%i] ", c);*/
+        if (c == 0)
+            break;
+        if (u_islower(c))
+            vcase[o] = LCASE;
+        else
+            vcase[o] = UCASE;
+        ++o;
+    } while(1);
+
+    return o;
+}
+
+void get_lowcase_str(char *out, const char *str)
+{
+    UChar32 c;
+    int i;
+    int o;
+    int len;
+    char iserror = 0;
+
+    len = strlen(str);
+
+    i=0;
+    o=0;
+    do
+    {
+        U8_NEXT(str, i, len, c);
+        /*printf("[%i] ", c);*/
+        c = u_tolower(c);
+        U8_APPEND(out, o, MAXWORD, c, iserror);
+        if (iserror)
+            break;
+        if (c == 0)
+            break;
+    } while(1);
+}
+
+void reapply_case(char *out, const char *in, const enum Case *vcase)
+{
+    UChar32 c;
+    int i;
+    int o;
+    int vcasepos;
+    int len;
+    char iserror = 0;
+    const UChar32 inverted = '`';
+
+    len = strlen(in);
+
+    i=0;
+    o=0;
+    vcasepos = 0;
+    do
+    {
+        U8_NEXT(in, i, len, c);
+        /*printf("[%i] ", c);*/
+        if (c == inverted || u_hasBinaryProperty(c, UCHAR_DIACRITIC))
+        {
+            U8_APPEND(out, o, MAXWORD, c, iserror);
+            /* Here we don't increment vcasepos,
+             * so the ` or diacritics gets copied without being taken
+             * care in the recase process. It will
+             * be the only sign that may be _added_ */
+            continue;
+        }
+
+        if (vcase[vcasepos] == LCASE)
+            c = u_tolower(c);
+        else
+            c = u_toupper(c);
+        vcasepos += 1;
+
+        U8_APPEND(out, o, MAXWORD, c, iserror);
+
+        if (iserror)
+            break;
+        if (c == 0)
+            break;
+    } while(1);
+}