float read_wav_header(FILE*, float); int f32buf_sample(FILE*, int, int); int read_sbit(FILE*, int, int*, int, int, int, int); int getmaxCorr(float*, unsigned int*, int); int headcmp(int, char*, int, unsigned int); float get_bufvar(int); int init_buffers(char*, int, int); int free_buffers(void); unsigned int get_sample(void);