debian man page for rotate_sprite_v_flip

rotate_sprite_v_flip(3alleg4)					  Allegro manual				     rotate_sprite_v_flip(3alleg4)

NAME
       rotate_sprite_v_flip - Rotates and flips a sprite. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       void rotate_sprite_v_flip(BITMAP *bmp, BITMAP *sprite, int x, int y, fixed angle);

DESCRIPTION
       Like  rotate_sprite,  but  flips the image vertically before rotating it. To flip horizontally, use this routine but add itofix(128) to the
       angle. To flip in both directions, use rotate_sprite() and add itofix(128) to its angle.

SEE ALSO
       rotate_sprite(3alleg4),	  rotate_scaled_sprite_v_flip(3alleg4),     pivot_sprite_v_flip(3alleg4),     pivot_scaled_sprite_v_flip(3alleg4),
       exsprite(3alleg4)

Allegro 							   version 4.4.2				     rotate_sprite_v_flip(3alleg4)