XTextWidth, XTextWidth16 - compute text width

count     Specifies the character count in the specified string.

       font_struct
                 Specifies the font used for the width computation.

       string    Specifies the character string.

       The  XTextWidth  and  XTextWidth16  functions return the width of the specified 8-bit or 2-byte character
       strings.

       XTextWidth, XTextWidth16 - compute text width

XLoadFont(3), XTextExtents(3)
       Xlib-CLanguageXInterface

X Version 11                                      libX11 1.8.12                                    XTextWidth(3)

       int XTextWidth(XFontStruct *font_struct, _Xconst char *string, int count);

       int XTextWidth16(XFontStruct *font_struct, _Xconst XChar2b *string, int count);