str_func_longer

/**
 * File:            struct.c
 * Author:          Risto Heinsar
 * Created:         25.02.2015
 * Modified:        15.02.2016
 *
 * Descriptions:    A longer sample for passing structures to functions and
 *                  using pointers to access them. This code contains multiple
 *                  ways to achieve the same purpose.
 */

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

#define N 20

typedef struct employee
{
    int employeeCode;
    char fName[N];
    char lName[N];
    float wage;
} employee;

void PrintEmployee(employee *pStr);
void PrintEmployees(employee *pStr, int n);
void PrintEmployees2(employee *pStr, int n);

int main(void)
{
    int n, i;
    employee manager = {75, "Indrek", "Tamm", 12.75};
    employee staff[] = {{20, "Toomas", "Vali", 5.22},
                        {23, "Madis", "Mets", 4.21},
                        {25, "Kaspar", "Kuusk", 3.25}};
    n = sizeof(staff) / sizeof(employee);

    //printing a single employee
    PrintEmployee(&manager);

    // printing the list of employees using the single employee print function
    for (i = 0; i < n; i++)
        PrintEmployee(staff + i);

    // using dedicated functions to print out employee arrays
    PrintEmployees(staff, n);
    PrintEmployees2(staff, n);


    return 0;
}

/**
 * This function can print the records of a single employee
 */
void PrintEmployee(employee *pStr)
{
    printf("Employee %06d, %s %s makes %2.2f in an hour\n", pStr->employeeCode,
        pStr->fName, pStr->lName, pStr->wage);
}

/**
 * This function can print out an array of n employees using pointer arithmetic
 */
void PrintEmployees(employee *pStr, int n)
{
    int i;
    for (i = 0; i < n; i++)
        printf("Employee %06d, %s %s makes %2.2f in an hour\n", (pStr + i)->employeeCode,
			(pStr + i)->fName,(pStr + i)->lName, (pStr + i)->wage);
}

/**
 * This function also uses pointer arithmetic to print out an array of employees,
 * but in this case we're incrementing the the copy of the pointer address.
 */
void PrintEmployees2(employee *pStr, int n)
{
    int i;
    for(i = 0; i < n; i++, pStr++)
        printf("Employee %06d, %s %s makes %2.2f in an hour\n", pStr->employeeCode,
            pStr->fName, pStr->lName, pStr->wage);
}

/**

* File: struct.c

* Author: Risto Heinsar

* Created: 25.02.2015

* Modified: 15.02.2016

* Descriptions: A longer sample for passing structures to functions and

* using pointers to access them. This code contains multiple

* ways to achieve the same purpose.

#include <stdio.h>

#include <string.h>

#define N 20

typedef struct employee

{

int employeeCode;

char fName[N];

char lName[N];

float wage;

} employee;

void PrintEmployee(employee *pStr);

void PrintEmployees(employee *pStr, int n);

void PrintEmployees2(employee *pStr, int n);

int main(void)

{

int n, i;

employee manager = {75, "Indrek", "Tamm", 12.75};

employee staff[] = {{20, "Toomas", "Vali", 5.22},

{23, "Madis", "Mets", 4.21},

{25, "Kaspar", "Kuusk", 3.25}};

n = sizeof(staff) / sizeof(employee);

//printing a single employee

PrintEmployee(&manager);

// printing the list of employees using the single employee print function

for (i = 0; i < n; i++)

PrintEmployee(staff + i);

// using dedicated functions to print out employee arrays

PrintEmployees(staff, n);

PrintEmployees2(staff, n);

return 0;

}

/**

* This function can print the records of a single employee

void PrintEmployee(employee *pStr)

{

printf("Employee %06d, %s %s makes %2.2f in an hour\n", pStr->employeeCode,

pStr->fName, pStr->lName, pStr->wage);

}

/**

* This function can print out an array of n employees using pointer arithmetic

void PrintEmployees(employee *pStr, int n)

{

int i;

for (i = 0; i < n; i++)

printf("Employee %06d, %s %s makes %2.2f in an hour\n", (pStr + i)->employeeCode,

(pStr + i)->fName,(pStr + i)->lName, (pStr + i)->wage);

}

/**

* This function also uses pointer arithmetic to print out an array of employees,

* but in this case we're incrementing the the copy of the pointer address.

void PrintEmployees2(employee *pStr, int n)

{

int i;

for(i = 0; i < n; i++, pStr++)

printf("Employee %06d, %s %s makes %2.2f in an hour\n", pStr->employeeCode,

pStr->fName, pStr->lName, pStr->wage);

}