25 extern "C" {

    25 extern "C" {

    26 #endif 

    26 #endif 

    27     

    27     

    28     ALboolean openal_init		(unsigned int usehardware, unsigned int memorysize);

    28     ALboolean openal_init		(unsigned int usehardware, unsigned int memorysize);

    29     ALboolean openal_close		(void);

    29     ALboolean openal_close		(void);

    30     ALint     openal_loadfile           (const char *filename);

    31     ALint     openal_loadfile           (const char *filename);

    31     ALboolean openal_toggleloop         (unsigned int index);

    32     ALboolean openal_toggleloop         (unsigned int index);

    32     ALboolean openal_setposition	(unsigned int index, float x, float y, float z);

    33     ALboolean openal_setposition	(unsigned int index, float x, float y, float z);

    33     ALboolean openal_setvolume          (unsigned int index, unsigned char percentage);

    34     ALboolean openal_setvolume          (unsigned int index, unsigned char percentage);

    34     ALboolean openal_setglobalvolume	(unsigned char percentage);

    35     ALboolean openal_setglobalvolume	(unsigned char percentage);