typedef unsigned int ucs_char_t; /* assuming 32bit int */
+size_t display_mode_esc_sequence_len(const char *s);
int utf8_width(const char **start, size_t *remainder_p);
int utf8_strnwidth(const char *string, int len, int skip_ansi);
int utf8_strwidth(const char *string);
int is_utf8(const char *text);
int is_encoding_utf8(const char *name);
int same_encoding(const char *, const char *);
+__attribute__((format (printf, 2, 3)))
int utf8_fprintf(FILE *, const char *, ...);
void strbuf_add_wrapped_text(struct strbuf *buf,
const char *text, int indent, int indent2, int width);
void strbuf_add_wrapped_bytes(struct strbuf *buf, const char *data, int len,
int indent, int indent2, int width);
+void strbuf_utf8_replace(struct strbuf *sb, int pos, int width,
+ const char *subst);
#ifndef NO_ICONV
char *reencode_string_iconv(const char *in, size_t insz,