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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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