SDL_FreeWAV — Frees previously opened WAV data
#include "SDL.h"
| void
            SDL_FreeWAV( | Uint8 * | audio_buf ); | 
After a WAVE file has been opened with SDL_LoadWAV its data can eventually be
      freed with SDL_FreeWAV.
      audio_buf is a
      pointer to the buffer created by SDL_LoadWAV.