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

/*This is the main method for a simple C program to accept a list containing an
* employee's name, the hours they have worked, and their rate of pay. The 
* program then outputs all the information entered to the screen in an easily
* readable format.
* Input: hours, rate, and name for each employee
* Output: Input information, as well as total pay in a formatted table
* Return: Type is int, value is 0
*/

int main()
{
    /*declares all variables*/
    float rate;
    float hours;
    char name[80];
    char *ptr;
    int count;

    /*Prompt to specify information needed, and order to input it*/
    printf("\nEnter hours, rate, and name. Ctrl D to exit\n\n");
    
    /*sets default value for count which controls when table labels
    * print to screen*/
    count=0;

    /*while loop to collect data input by user, and then print formatted
    * back to screen*/
    while(scanf("%f %f",&hours, &rate)==2 && fgets(name,
                sizeof(name), stdin ))
    {

        /*this if block prints the column labels for the formatted output on
        * first run of the while loop only*/
        if (count++==0)
        {
            printf("\n%-39s %4s%8s%9s\n","name","hours","rate","pay");
        }

        /*this strips the new line character from the name string*/
        ptr=strchr(name, '\n');
        if (ptr)
        {    
            *ptr='\0';
        }

        /*this line prints the formatted output to screen, also calculates
        * the total pay using the hours and pay rate info*/
        printf("%-39s %4.2f%8.2f%9.2f\n", name, hours, rate, hours*rate);

    }
    
    return 0;
}