utf8.c: remove unused functions - iomenu - interactive terminal-based selection menu
 (HTM) git clone git://bitreich.org/iomenu git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/iomenu
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       ---
 (DIR) commit 409c996d657767e3d563e2e8630a3974d93fb1f7
 (DIR) parent 251f7a6436516116e1dc7c9e674a9be1f58eb1b7
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Wed, 29 Nov 2017 20:53:59 +0100
       
       utf8.c: remove unused functions
       
       Diffstat:
         M utf8.c                              |      42 -------------------------------
       
       1 file changed, 0 insertions(+), 42 deletions(-)
       ---
 (DIR) diff --git a/utf8.c b/utf8.c
       @@ -97,48 +97,6 @@ utf8_to_rune(long *r, char *s)
        }
        
        /*
       - * Returns 1 if the rune is a valid unicode code point and 0 if not.
       - */
       -int
       -rune_is_unicode(long r)
       -{
       -        return !(
       -                (r > 0x10ffff)                   ||  /* outside range */
       -
       -                ((r & 0x00fffe) == 0x00fffe)     ||  /* noncharacters */
       -                (0x00fdd0 <= r && r <= 0x00fdef) ||
       -
       -                (0x00e000 <= r && r <= 0x00f8ff) ||  /* private use */
       -                (0x0f0000 <= r && r <= 0x0ffffd) ||
       -                (0x100000 <= r && r <= 0x10fffd) ||
       -
       -                (0x00d800 <= r && r <= 0x00dfff)     /* surrogates */
       -        );
       -}
       -
       -/*
       - * Return 1 if '*s' is correctly encoded in UTF-8 with allowed Unicode
       - * code points.
       - */
       -int
       -utf8_check(char *s)
       -{
       -        size_t shift, len = strlen(s);
       -        long r = 0;
       -
       -        while (len > 0) {
       -                shift = utf8_to_rune(&r, s);
       -                if (!shift || !rune_is_unicode(r))
       -                        return 0;
       -
       -                s   += shift;
       -                len -= shift;
       -        }
       -
       -        return 1;
       -}
       -
       -/*
         * Return 1 if the rune is a printable character, and 0 otherwise.
         */
        int