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al_lock_index_buffer(3)     Library Functions Manual	 al_lock_index_buffer(3)

NAME
     al_lock_index_buffer - Allegro 5 API

SYNOPSIS
	    #include <allegro5/allegro_primitives.h>

	    void* al_lock_index_buffer(ALLEGRO_INDEX_BUFFER* buffer, int offset,
		int length, int flags)

DESCRIPTION
     Locks  a  index buffer so you can access its data.  Will return NULL if the
     parameters are invalid, if reading is requested from a  write  only  buffer
     and if the buffer is already locked.

     Parameters:

     * buffer - Index buffer to lock

     * offset - Element index of the start of the locked range

     * length - How many indices to lock

     * flags	-   ALLEGRO_LOCK_READONLY,   ALLEGRO_LOCK_WRITEONLY   or   ALLE-
       GRO_LOCK_READWRITE

SINCE
     5.1.8

SEE ALSO
     ALLEGRO_INDEX_BUFFER(3), al_unlock_index_buffer(3)

Allegro reference manual				 al_lock_index_buffer(3)

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