/******************************************************************************
* Standard header file for all source components to Jeff Mercer's Biorhythm
* final programming project.
******************************************************************************/

/* Header file includes */
#include <stdio.h>
#include <string.h>
#include <math.h>

/* Macro definitions */
#define TRUE 1
#define FALSE 0

/* Data type declarations */
typedef unsigned char Bool;
typedef struct { int year; int month; int day;} Date;
typedef struct { char firstname[]; char lastname[]; Date bdate; } Person;
typedef struct { int phys; int emot; int intel; char p; char e; char i; }
               BioType;
typedef struct { int pcom; int ecom; int icom; } CompatType;

/* Function prototypes */
long MJulianDay(Date);
void DayOfWeek(Date, char *);
void ZSign(Date, char *);
long DayDiff(Date, Date);
BioType CalcBiorhythm(Date, Date);
CompatType CalcCompat(Date, Date);
void CompatLookup(CompatType, char *, char *, char *);
void InterpBiorhythm(BioType, char *);