s3d_strlen(3) debian man page | unix.com

S3D_STRLEN(3)							    s3d Manual							     S3D_STRLEN(3)

NAME
       s3d_strlen - get rendered string size

SYNOPSIS
       #include <s3d.h>

       float s3d_strlen(const char *str);

DESCRIPTION
       Returns the length of the string if it were rendered with the currently selected font. That might be useful to estimate the size used for a
       text and render the background or bounding box before inserting the text.

AUTHOR
       Simon Wunderlich
	   Author of s3d

s3d																     S3D_STRLEN(3)