man spline () - Draws a bezier spline using four control points. Allegro game programming library.
NAME
spline - Draws a bezier spline using four control points. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
void spline(BITMAP *bmp, const int points[8], int color);
DESCRIPTION
Draws a bezier spline using the four control points specified in the points array. Read the description of calc_spline() for information on how to build the points array.