doc/fontconfig-devel/fcutf8len.html

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  74 >FcUtf8Len</H1
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  80 ><H2
  81 >Name</H2
  82 >FcUtf8Len&nbsp;--&nbsp;count UTF-8 encoded chars</DIV
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  89 >Synopsis</H2
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 104 CLASS="FUNCSYNOPSISINFO"
 105 >#include &#60;fontconfig/fontconfig.h&#62;
 106         </PRE
 107 ></TD
 108 ></TR
 109 ></TABLE
 110 ><P
 111 ><CODE
 112 ><CODE
 113 CLASS="FUNCDEF"
 114 >FcBool <TT
 115 CLASS="FUNCTION"
 116 >FcUtf8Len</TT
 117 ></CODE
 118 >(FcChar8 *<TT
 119 CLASS="PARAMETER"
 120 ><I
 121 >src</I
 122 ></TT
 123 >, int <TT
 124 CLASS="PARAMETER"
 125 ><I
 126 >len</I
 127 ></TT
 128 >, int *<TT
 129 CLASS="PARAMETER"
 130 ><I
 131 >nchar</I
 132 ></TT
 133 >, int *<TT
 134 CLASS="PARAMETER"
 135 ><I
 136 >wchar</I
 137 ></TT
 138 >);</CODE
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 140 ><P
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 142 ></DIV
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 144 ><DIV
 145 CLASS="REFSECT1"
 146 ><A
 147 NAME="AEN4867"
 148 ></A
 149 ><H2
 150 >Description</H2
 151 ><P
 152 >Counts the number of Unicode chars in <TT
 153 CLASS="PARAMETER"
 154 ><I
 155 >len</I
 156 ></TT
 157 > bytes of
 158 <TT
 159 CLASS="PARAMETER"
 160 ><I
 161 >src</I
 162 ></TT
 163 >.  Places that count in
 164 <TT
 165 CLASS="PARAMETER"
 166 ><I
 167 >nchar</I
 168 ></TT
 169 >.  <TT
 170 CLASS="PARAMETER"
 171 ><I
 172 >wchar</I
 173 ></TT
 174 > contains 1, 2 or
 175 4 depending on the number of bytes needed to hold the largest Unicode char
 176 counted.  The return value indicates whether <TT
 177 CLASS="PARAMETER"
 178 ><I
 179 >src</I
 180 ></TT
 181 > is a
 182 well-formed UTF8 string.
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