man bmp_read_line () - Direct access bank switching line selection for reading. Allegro game programming library.
NAME
bmp_read_line - Direct access bank switching line selection for reading. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
unsigned long bmp_read_line(BITMAP *bmp, int line);
DESCRIPTION
Selects the line of a bitmap that you are going to read from.
RETURN VALUE
Returns the address of the selected line for reading.