A little help

So this is the beginning of a homework assignment using structures. as of right now, it does function. But when I repeat a Do loop, it requires an addition enter key to be pressed to start the loop. I'm not sure whats causing this, any help is appreciated.

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#include <iostream>
#include <new>
#include <cstring>
#include <iomanip>
#include <string>
#include <cctype>
#include <cstdlib>
using namespace std;

void clearbuf();
int allnums(char []);

struct Employee
{
	char cid[5],
	     cname[20];
	float frate;
	float fhours;
};

int main()
{
	char ctemp[20];
	Employee info;

	do
	{	
		cout << "ID: ";
		cin.getline(info.cid, 5);
		clearbuf();
	}while(allnums(info.cid));

	cout << "Name: ";
	cin.getline(info.cname, 20);

	do
	{	
		cout << "Hourly Rate: ";
		cin.getline(ctemp, 20);
		clearbuf();
		info.frate = float(atof(ctemp));
	}while(allnums(ctemp));

	do
	{	
		cout << "Hours Worked: ";
		cin.getline(ctemp, 20);
		clearbuf();
		info.fhours = float(atof(ctemp));
	}while(allnums(ctemp));

	cout << "ID: " << info.cid << endl
	     << "Name: " << info.cname << endl
	     << "Rate: " << info.frate << endl
	     << "Hours Worked: " << info.fhours << endl;

	return 0;
}
void clearbuf()
{
	if (!cin)
		cin.clear();

	while(cin.peek() != '\n')
		cin.ignore();
	cin.ignore();

	return;
}
int allnums(char temp[])

{

	int i=0,j=0,d=0,r=0;



	for(i; i < strlen(temp);i++)

	{

		if(isdigit(temp[i]))

			j++;

		if(temp[i] == '.')

			d++;

	}



	if(j+d == i)

		r=0;

	else

		r=1;

	if(!strlen(temp) || j==0)

		r=1;

	return r;

}
Your program works fine without calling clearbuf() (and eliminating at the same time the ENTER issue).
Why do you want to use it anyway?
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