/*

   Header file to the MusicLib library of sound routines for Turbo C.

*/


#define BASENOTE 440.00     /* frequency of LA in octave 3 */
#define BASEOCTAVE 3
#define K 1.0595   /* k^12=2 -- constant of the geometric sequence of note frequencies */
#define OCTAVESIZE 12 /* number of notes in octave */
#define BASENOTENUM 11  /* number of LA */



typedef struct {
     char octave;
     char note;
     char staccato;
     unsigned length;
   } NOTEREC;

typedef struct { unsigned frequency;
                 unsigned time;
                 unsigned end_delay;  /* delay at the end -- staccato */
         } SOUNDREC;


                      /* function prototypes */

void beep (unsigned freq, unsigned length);
void playnote (unsigned note, unsigned octave, unsigned length, unsigned staccato);
int playnotefile (char *notefilename);
unsigned get_note_freq (unsigned note, unsigned octave);
SOUNDREC *read_note_file (char *fname, SOUNDREC **notebuf, size_t *buf_size);