php man page for hline

hline(3alleg4)							  Allegro manual						    hline(3alleg4)

NAME
       hline - Draws a horizontal line onto the bitmap. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       void hline(BITMAP *bmp, int x1, int y, int x2, int color);

DESCRIPTION
       Draws a horizontal line onto the bitmap, from point (x1, y) to (x2, y).

       Note:  hline()  is implemented as an alias to another function.	See ALLEGRO_NO_VHLINE_ALIAS in the `Differences between platforms' section
       for details.

SEE ALSO
       vline(3alleg4), line(3alleg4), drawing_mode(3alleg4), makecol(3alleg4), exsprite(3alleg4)

Allegro 							   version 4.4.2						    hline(3alleg4)