Programming

#include <stdio.h>
#include <stdlib.h>
#include <string.h>  

#define REPORTHEADING1 "     Employee              Pay      Hours     Gross     Tax       Net\n"
#define REPORTHEADING2 "     Name                  Rate     Worked    Pay       Due       Pay\n"
#define REPORTHEADING3 "     ===============       ====     ======    =====     ====      ====\n"
#define REPORTHEADING4 "                           ====     ======    =====     ====      ====\n"
#define REPORTLINEFORMAT1 "     %-20s%6.2f%11.2f%9.2f%9.2f%10.2f\n"
#define REPORTLINEFORMAT2 "     Totals              %6.2f%11.2f%9.2f%9.2f%10.2f\n"
#define REPORTLINEFORMAT3 "     Averages            %6.2f%11.2f%9.2f%9.2f%10.2f\n"


#define COUNTLINEFORMAT "     Number of employees: %-10i\n\n"

#define MAXREGHOURS 40
#define OVERTIMERATE 1.5



void PrintReportHeadings(FILE *reportFile); //printReportHeadings prototype

void InitializeAccumulators(float *totRegHour,float *totOvtHours,float *totPayrate, 
		float *totGross,float *totdeferred,float *totFedtax,
		float *totStatetax,float *totSSItax,float *totNet,int *empCount); //InitializeAccumulators prototype

void InputEmployeeData(char *firstName,char *lastName,
			float *hours,float *payrate,float *deferred); //InputEmployeeData prototype

void CalculateGross(float hours,float payrate,float *regHours,float *ovtHours,
			float *gross); //CalculateGross prototype

extern void CalculateTaxes(float gross,float deferred,float * fedtax,
				float * statetax,float * ssitax); //CalculateTaxes prototype (external)

float CalculateNetPay(float gross,float fedtax,float statetax,float ssitax,
                float deferred);

void AddDetailToAccumulators(float regHours,float ovtHours,float payrate,
		float gross,float deferred,float fedtax,float statetax,
		float ssitax,float net,float *totRegHours,float *totOvtHours,
		float *totPayrate,float *totGross,float *totdeferred, 
		float *totFedtax,float *totStatetax,float *totSSItax,
		float *totNet);

void PrintSummaryReport(FILE *reportFile,char fullName,float regHours,float ovtHours,
			float payrate,float gross,float deferred,float fedtax,
			float statetax,float ssitax,float net);

int main(void)
{
	float ft,st,ssit;
	char firstName[10+1];
	char lastName[15+1];
	char fullName[25+1];
	float regHours, ovtHours, hours, payrate, deferred, gross, netpay;
	float totRegHours, totOvtHours, totPayrate, totGross,totdeferred, 
		totFedtax, totStatetax, totSSItax, totNet;
	int empcount;
	char answer;
	FILE * reportFile;

	reportFile = fopen("./report.txt","wt");
	if(reportFile == NULL) 
	{
	    printf(" Report open request failed...\n");
	    while(getchar() != '\n');
	    exit(-90);// reqs <stdlib.h>
	}

	PrintReportHeadings(reportFile);

	InitializeAccumulators(&totRegHours,&totOvtHours,&totPayrate,&totGross,
		&totdeferred,&totFedtax,&totStatetax,&totSSItax,&totNet,
		&empcount);//set all accumulators to 0

	do
    {
	InputEmployeeData(firstName,lastName,&hours,&payrate,&deferred);
	CalculateGross(hours, payrate, &regHours, &ovtHours, &gross);
	CalculateTaxes(gross,deferred,&ft,&st,&ssit);
	netpay = CalculateNetPay(gross,ft,st,ssit,deferred);
    strcpy(fullName,lastName);
	strcat(fullName,", ");
	strcat(fullName,firstName);

	AddDetailToAccumulators(regHours,ovtHours,payrate,gross,deferred,ft,st,
		ssit,netpay,&totRegHours,&totOvtHours,&totPayrate,&totGross,
		&totdeferred,&totFedtax,&totStatetax,&totSSItax,&totNet);

	PrintSummaryReport(reportFile,fullName,regHours,ovtHours,payrate,gross,deferred,ft,st,ssit,netpay);

	empcount++;
	printf(COUNTLINEFORMAT,empcount);

	printf("  do you have anymore? (Y/N): ");
	while(getchar() != '\n');
	answer = getchar();
	printf("\n");

	}
    while(answer != 'N' && answer != 'n');

	while (getchar()!= '\n');
	getchar();
	return 0;
}

void PrintReportHeadings(FILE *reportFile)
{
        reportFile = fopen("./report.txt","wt");
        fprintf(reportFile,REPORTHEADING1);
        fprintf(reportFile,REPORTHEADING2);
        fprintf(reportFile,REPORTHEADING3);
}


void InitializeAccumulators(float *totRegHour,float *totOvtHours,float *totPayrate,
                float *totGross,float *totdeferred,float *totFedtax,
                float *totStatetax,float *totSSItax,float *totNet,int *empCount)
{
        totRegHour, totOvtHours, totPayrate, totGross,totdeferred,
                totFedtax, totStatetax, totSSItax, totNet, empCount = 0;
}

void InputEmployeeData(char *firstName,char *lastName,float *hours,
			float *payrate,float *deferred)
{
	printf("  Enter employee first name : ");
	scanf("%s",firstName);
	printf("  Enter employee last name : ");
	scanf("%s",lastName);
	printf("  Enter %s's hours worked : ",firstName);
	scanf("%f",hours);
	printf("  Enter %s's pay rate : ",firstName);
	scanf("%f",payrate);
	printf("  Enter %s's amount deferred : ",firstName);
	scanf("%f",deferred);
}

void CalculateGross(float hours,float payrate,float *regHours,float *ovtHours,float *gross)
{
float overtimeHours(float hours);

	if(hours <= MAXREGHOURS)
	{
		*regHours = hours;
		*gross = hours * payrate;
	}
	else
	{
		*regHours = MAXREGHOURS;
		*ovtHours = overtimeHours(hours);
		*gross = payrate * MAXREGHOURS + OVERTIMERATE * payrate * (hours - MAXREGHOURS);
	}
}

float overtimeHours(float hours)
{
	return hours - MAXREGHOURS;
}
float CalculateNetPay(float gross,float fedtax,float statetax,float ssitax,
		float deferred)
{
	return gross - (fedtax + statetax + ssitax + deferred);
}
void AddDetailtoAccumulators(float regHours,float ovtHours,float payrate,
                float gross,float deferred,float fedtax,float statetax,
                float ssitax,float netpay,float *totRegHours,float *totOvtHours,
                float *totPayrate,float *totGross,float *totDeferred,
                float *totFedtax,float *totStatetax,float *totSSItax,
                float *totNet)
{
	*totRegHours =+ regHours;
	*totOvtHours =+ ovtHours;
	*totPayrate =+ payrate;
	*totGross =+ gross;
	*totDeferred =+ deferred;
	*totFedtax =+ fedtax;
	*totStatetax =+ statetax;
	*totSSItax =+ ssitax;
	*totNet =+ netpay;
}

void PrintSummaryReport(FILE *reportFile,char fullName,float regHours,float ovtHours,
                        float payrate,float gross,float deferred,float fedtax,
                        float statetax,float ssitax,float netpay)
{
	reportFile = fopen("./report.txt","wt");

	fprintf(reportFile,REPORTLINEFORMAT1,fullName,payrate,regHours,gross,fedtax,
		ssitax,netpay);
	fprintf(reportFile,REPORTLINEFORMAT2,ovtHours,statetax,deferred);

	
}

	PrintSummaryReport(reportFile,fullName,regHours,ovtHours,payrate,gross,deferred,ft,st,ssit,netpay);