further work on unicodization

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/include/unicode.h b/include/unicode.h
index f1a252c..f32e565 100644
--- a/include/unicode.h
+++ b/include/unicode.h
@@ -14,15 +14,25 @@
 #if !ENABLE_FEATURE_ASSUME_UNICODE
 
 # define unicode_strlen(string) strlen(string)
-# define unicode_scrlen(string) TODO
 # define unicode_status UNICODE_OFF
 # define init_unicode() ((void)0)
 
 #else
 
 size_t FAST_FUNC unicode_strlen(const char *string);
-char* FAST_FUNC unicode_cut_nchars(unsigned width, const char *src);
-unsigned FAST_FUNC unicode_padding_to_width(unsigned width, const char *src);
+enum {
+	UNI_FLAG_PAD = (1 << 0),
+};
+typedef struct uni_stat_t {
+	unsigned byte_count;
+	unsigned unicode_count;
+	unsigned unicode_width;
+} uni_stat_t;
+//UNUSED: unsigned FAST_FUNC unicode_padding_to_width(unsigned width, const char *src);
+//UNUSED: char* FAST_FUNC unicode_conv_to_printable2(uni_stat_t *stats, const char *src, unsigned width, int flags);
+char* FAST_FUNC unicode_conv_to_printable(uni_stat_t *stats, const char *src);
+char* FAST_FUNC unicode_conv_to_printable_maxwidth(uni_stat_t *stats, const char *src, unsigned maxwidth);
+char* FAST_FUNC unicode_conv_to_printable_fixedwidth(uni_stat_t *stats, const char *src, unsigned width);
 
 # if ENABLE_LOCALE_SUPPORT