XTextWidth - Man Page

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

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

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.

XLoadFont(3), XTextExtents(3)
Xlib - C Language X Interface

XTextExtents(3).

The man page XTextWidth16(3) is an alias of XTextWidth(3).