Hotel Management System Project In C With Source Code

September 2, 2021September 23, 2020 by angel jude suarez

Hotel Management System Project In C With Source Code

The Hotel Management System Project In C With Source Code is develop in C programming language, This program is adapted to provide us information on reserving rooms, book an event, check the features etc.

A Hotel Management System In C is untroublesome as it will serve the admin or user to be updated about the records without any strain and it is favored much by the people involved in the business sector. As we are aware of the busy and hectic schedule of business people, this Hotel Management System In C Language turns out to be a great relief for them.

This C Program For Hotel Management System definitely has a wide scope to minimize errors in the making of bills and it also limits the delay of delivering bills to the customers which can include taxes on the basis of their expenditure.

Watch the video here to see the full running Hotel Management System Project In C with Source Code

This Simple Hotel Management System Code In C Language also includes a downloadable Hotel Management System Project In C With Source Code for free, just find the downloadable source code below and click to start downloading.

To start creating a Hotel Management System Project In C With Source Code, make sure that you have code blocks or any platform of c language installed in your computer.

Steps on how to create a Hotel Management System Project In C With Source Code

Hotel Management System Project In C With Source Code

Step 1: Create a new project.
First open the code blocks IDE and click “create a new project“.
Step 2: Choose console application.
Second click the “console application” and after that click “next“.
Step 3: Choose C language.
Third choose “C language” and click “next“.
Step 4: Name Your Project.
Fourth name the project you’ve created and click “next” after that click “finish“.
Step 5: The actual code.
You are free to copy the given source code below or download the downloadable source code given.

void login()
{

	int a=0,i=0;
    char uname&#91;10],c=' ';
    char pword&#91;10],code&#91;10];
    char user&#91;10]="user";
    char pass&#91;10]="pass";
    do
{
	system("cls");

    printf("\n  **************************  LOGIN FORM  **************************  ");
    printf(" \n                       ENTER USERNAME:-");
	scanf("%s", &amp;uname);
	printf(" \n                       ENTER PASSWORD:-");
	while(i&lt;10)
	{
	    pword&#91;i]=getch();
	    c=pword&#91;i];
	    if(c==13) break;
	    else printf("*");
	    i++;
	}
	pword&#91;i]='\0';
	//char code=pword;
	i=0;
	//scanf("%s",&amp;pword);
		if(strcmp(uname,user)==0 &amp;&amp; strcmp(pword,pass)==0)
	{
	printf("  \n\n\n       WELCOME !!!! LOGIN IS SUCCESSFUL");

	break;
	}
	else
	{
		printf("\n        SORRY !!!!  LOGIN IS UNSUCESSFUL");
		a++;

		getch();

	}
}
	while(a&lt;=2);
	if (a&gt;2)
	{
		printf("\nSorry you have entered the wrong username and password for four times!!!");

		getch();

		}
		system("cls");
}

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void login()

{

int a=0,i=0;

char uname[10],c=' ';

char pword[10],code[10];

char user[10]="user";

char pass[10]="pass";

do

{

system("cls");

printf("\n ************************** LOGIN FORM ************************** ");

printf(" \n ENTER USERNAME:-");

scanf("%s", &uname);

printf(" \n ENTER PASSWORD:-");

while(i<10)

{

pword[i]=getch();

c=pword[i];

if(c==13) break;

else printf("*");

i++;

}

pword[i]='\0';

//char code=pword;

i=0;

//scanf("%s",&pword);

if(strcmp(uname,user)==0 && strcmp(pword,pass)==0)

{

printf(" \n\n\n WELCOME !!!! LOGIN IS SUCCESSFUL");

break;

}

else

{

printf("\n SORRY !!!! LOGIN IS UNSUCESSFUL");

a++;

getch();

}

}

while(a<=2);

if (a>2)

{

printf("\nSorry you have entered the wrong username and password for four times!!!");

getch();

}

system("cls");

}

In this module which is the login module of the system.

The Code Given Below Is For The Main Module

int main(){     // MAIN FUNCTION
	int i=0;

	time_t t;
	time(&amp;t);
	char customername;
	char choice;
    login();
    system("cls");
	while (1)      // INFINITE LOOP
	{
		system("cls");
		setcolor(10);
		 for(i=0;i&lt;80;i++)
		printf("-");
		printf("\n");
		printf("   ******************************  |MAIN MENU|  ***************************** \n");
		for(i=0;i&lt;80;i++)
		printf("-");
		printf("\n");
		setcolor(10);
		printf("\t\t *Please enter your choice for menu*:");
		printf("\n\n");
		printf(" \n Enter 1 -&gt; Book a room");
		printf("\n------------------------");
		printf(" \n Enter 2 -&gt; View Customer Record");
		printf("\n----------------------------------");
		printf(" \n Enter 3 -&gt; Delete Customer Record");
		printf("\n-----------------------------------");
		printf(" \n Enter 4 -&gt; Search Customer Record");
		printf("\n-----------------------------------");
		printf(" \n Enter 5 -&gt; Edit Record");
		printf("\n-----------------------");
		printf(" \n Enter 6 -&gt; Exit");
		printf("\n-----------------");
		printf("\n");
		for(i=0;i&lt;80;i++)
		printf("-");
	    printf("\nCurrent date and time : %s",ctime(&amp;t));
	    for(i=0;i&lt;80;i++)
		printf("-");

		choice=getche();
		choice=toupper(choice);
		switch(choice)           // SWITCH STATEMENT
		{
			case '1':
				add();break;
			case '2':
				list();break;
			case '3':
				delete1();break;
			case '4':
				search();break;
			case '5':
				edit();break;
			case '6':
				system("cls");
				printf("\n\n\t *****THANK YOU*****");
				printf("\n\t FOR TRUSTING OUR SERVICE");
			//	Sleep(2000);
				exit(0);
				break;
			default:
				system("cls");
				printf("Incorrect Input");
				printf("\n Press any key to continue");
				getch();
		}
	}
}

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int main(){ // MAIN FUNCTION

int i=0;

time_t t;

time(&t);

char customername;

char choice;

login();

system("cls");

while (1) // INFINITE LOOP

{

system("cls");

setcolor(10);

for(i=0;i<80;i++)

printf("-");

printf("\n");

printf(" ****************************** |MAIN MENU| ***************************** \n");

for(i=0;i<80;i++)

printf("-");

printf("\n");

setcolor(10);

printf("\t\t *Please enter your choice for menu*:");

printf("\n\n");

printf(" \n Enter 1 -> Book a room");

printf("\n------------------------");

printf(" \n Enter 2 -> View Customer Record");

printf("\n----------------------------------");

printf(" \n Enter 3 -> Delete Customer Record");

printf("\n-----------------------------------");

printf(" \n Enter 4 -> Search Customer Record");

printf("\n-----------------------------------");

printf(" \n Enter 5 -> Edit Record");

printf("\n-----------------------");

printf(" \n Enter 6 -> Exit");

printf("\n-----------------");

printf("\n");

for(i=0;i<80;i++)

printf("-");

printf("\nCurrent date and time : %s",ctime(&t));

for(i=0;i<80;i++)

printf("-");

choice=getche();

choice=toupper(choice);

switch(choice) // SWITCH STATEMENT

{

case '1':

add();break;

case '2':

list();break;

case '3':

delete1();break;

case '4':

search();break;

case '5':

edit();break;

case '6':

system("cls");

printf("\n\n\t *****THANK YOU*****");

printf("\n\t FOR TRUSTING OUR SERVICE");

// Sleep(2000);

exit(0);

break;

default:

system("cls");

printf("Incorrect Input");

printf("\n Press any key to continue");

getch();

}

}

}

In this module which is the main module of the system.

The Code Given Below Is For The Adding Module

void add()
{
	FILE *f;
	char test;
	f=fopen("add.txt","a+");
	if(f==0)
	{   f=fopen("add.txt","w+");
		system("cls");
		printf("Please hold on while we set our database in your computer!!");
		printf("\n Process completed press any key to continue!! ");
		getch();
	}
	while(1)
	{
		system("cls");
		printf("\n Enter Customer Details:");
		printf("\n**************************");
		printf("\n Enter Room number:\n");
		scanf("\n%s",s.roomnumber);
		fflush(stdin);
		printf("Enter Name:\n");
		scanf("%s",s.name);
		printf("Enter Address:\n");
		scanf("%s",s.address);
		printf("Enter Phone Number:\n");
		scanf("%s",s.phonenumber);
		printf("Enter Nationality:\n");
		scanf("%s",s.nationality);
		printf("Enter Email:\n");
		scanf(" %s",s.email);
		printf("Enter Period(\'x\'days):\n");
		scanf("%s",&amp;s.period);
		printf("Enter Arrival date(dd\\mm\\yyyy):\n");
		scanf("%s",&amp;s.arrivaldate);
		fwrite(&amp;s,sizeof(s),1,f);
		fflush(stdin);
		printf("\n\n1 Room is successfully booked!!");
		printf("\n Press esc key to exit,  any other key to add another customer detail:");
		test=getche();
		if(test==27)
			break;

	}
	fclose(f);
}

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void add()

{

FILE *f;

char test;

f=fopen("add.txt","a+");

if(f==0)

{ f=fopen("add.txt","w+");

system("cls");

printf("Please hold on while we set our database in your computer!!");

printf("\n Process completed press any key to continue!! ");

getch();

}

while(1)

{

system("cls");

printf("\n Enter Customer Details:");

printf("\n**************************");

printf("\n Enter Room number:\n");

scanf("\n%s",s.roomnumber);

fflush(stdin);

printf("Enter Name:\n");

scanf("%s",s.name);

printf("Enter Address:\n");

scanf("%s",s.address);

printf("Enter Phone Number:\n");

scanf("%s",s.phonenumber);

printf("Enter Nationality:\n");

scanf("%s",s.nationality);

printf("Enter Email:\n");

scanf(" %s",s.email);

printf("Enter Period(\'x\'days):\n");

scanf("%s",&s.period);

printf("Enter Arrival date(dd\\mm\\yyyy):\n");

scanf("%s",&s.arrivaldate);

fwrite(&s,sizeof(s),1,f);

fflush(stdin);

printf("\n\n1 Room is successfully booked!!");

printf("\n Press esc key to exit, any other key to add another customer detail:");

test=getche();

if(test==27)

break;

}

fclose(f);

}

In this module which is the adding module of the system.

The Code Given Below Is For The List Module

void list()
{
	FILE *f;
	int i;
	if((f=fopen("add.txt","r"))==NULL)
		exit(0);
	system("cls");
	printf("ROOM    ");
	printf("NAME\t ");
	printf("\tADDRESS ");
	printf("\tPHONENUMBER ");
	printf("\tNATIONALITY ");
	printf("\tEMAIL ");
	printf("\t\t  PERIOD ");
	printf("\t ARRIVALDATE \n");

	for(i=0;i&lt;118;i++)
		printf("-");
	while(fread(&amp;s,sizeof(s),1,f)==1)
	{
		/*printf("ROOMNUMBER :\t%s\n",s.roomnumber);
		printf("NAME:\t%s\n",,s.name);
		printf("ADDRESS:\t%s\n",s.address);
		printf("PHONENUMBER:\t%s\n",s.phonenumber);
		printf("NATIONALITY \n");*/
		printf("\n%s \t%s \t\t%s \t\t%s \t%s  \t%s  \t     %s  \t  %s",s.roomnumber, s.name , s.address , s.phonenumber ,s.nationality ,s.email,s.period,  s.arrivaldate);
	}
	printf("\n");
	for(i=0;i&lt;118;i++)
		printf("-");

	fclose(f);
	getch();
}

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void list()

{

FILE *f;

int i;

if((f=fopen("add.txt","r"))==NULL)

exit(0);

system("cls");

printf("ROOM ");

printf("NAME\t ");

printf("\tADDRESS ");

printf("\tPHONENUMBER ");

printf("\tNATIONALITY ");

printf("\tEMAIL ");

printf("\t\t PERIOD ");

printf("\t ARRIVALDATE \n");

for(i=0;i<118;i++)

printf("-");

while(fread(&s,sizeof(s),1,f)==1)

{

/*printf("ROOMNUMBER :\t%s\n",s.roomnumber);

printf("NAME:\t%s\n",,s.name);

printf("ADDRESS:\t%s\n",s.address);

printf("PHONENUMBER:\t%s\n",s.phonenumber);

printf("NATIONALITY \n");*/

printf("\n%s \t%s \t\t%s \t\t%s \t%s \t%s \t %s \t %s",s.roomnumber, s.name , s.address , s.phonenumber ,s.nationality ,s.email,s.period, s.arrivaldate);

}

printf("\n");

for(i=0;i<118;i++)

printf("-");

fclose(f);

getch();

}

In this module which is the list module of the system that contains record of the customer.

The Code Given Below Is For The Delete Module

void delete1()
{
	FILE *f,*t;
	int i=1;
	char roomnumber&#91;20];
	if((t=fopen("temp.txt","w"))==NULL)
	exit(0);
	if((f=fopen("add.txt","r"))==NULL)
	exit(0);
	system("cls");
	printf("Enter the Room Number of the hotel to be deleted from the database: \n");
	fflush(stdin);
	scanf("%s",roomnumber);
	while(fread(&amp;s,sizeof(s),1,f)==1)
	{
		if(strcmp(s.roomnumber,roomnumber)==0)
		{       i=0;
			continue;
		}
		else
			fwrite(&amp;s,sizeof(s),1,t);
	}
	if(i==1)
	{
		printf("\n\n Records of Customer in this  Room number is not found!!");
		//remove("E:/file.txt");
	   //rename("E:/temp.txt","E:/file.txt");
		getch();
		fclose(f);
		fclose(t);
		main();
	}
	fclose(f);
	fclose(t);
	remove("add.txt");
	rename("temp.txt","add.txt");
	printf("\n\nThe Customer is successfully removed....");
	fclose(f);
	fclose(t);
	getch();
}

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void delete1()

{

FILE *f,*t;

int i=1;

char roomnumber[20];

if((t=fopen("temp.txt","w"))==NULL)

exit(0);

if((f=fopen("add.txt","r"))==NULL)

exit(0);

system("cls");

printf("Enter the Room Number of the hotel to be deleted from the database: \n");

fflush(stdin);

scanf("%s",roomnumber);

while(fread(&s,sizeof(s),1,f)==1)

{

if(strcmp(s.roomnumber,roomnumber)==0)

{ i=0;

continue;

}

else

fwrite(&s,sizeof(s),1,t);

}

if(i==1)

{

printf("\n\n Records of Customer in this Room number is not found!!");

//remove("E:/file.txt");

//rename("E:/temp.txt","E:/file.txt");

getch();

fclose(f);

fclose(t);

main();

}

fclose(f);

fclose(t);

remove("add.txt");

rename("temp.txt","add.txt");

printf("\n\nThe Customer is successfully removed....");

fclose(f);

fclose(t);

getch();

}

In this module which is the delete module of the system, that can delete customer information.

The Code Given Below Is For The Search Module

void search()
{
system("cls");
	FILE *f;
	char roomnumber&#91;20];
	int flag=1;
	f=fopen("add.txt","r+");
	if(f==0)
		exit(0);
	fflush(stdin);
	printf("Enter Room number of the customer to search its details: \n");
	scanf("%s", roomnumber);
	while(fread(&amp;s,sizeof(s),1,f)==1)
	{
		if(strcmp(s.roomnumber,roomnumber)==0){
			flag=0;
			printf("\n\tRecord Found\n ");
			printf("\nRoom Number:\t%s",s.roomnumber);
			printf("\nName:\t%s",s.name);
			printf("\nAddress:\t%s",s.address);
			printf("\nPhone number:\t%s",s.phonenumber);
			printf("\nNationality:\t%s",s.nationality);
			printf("\nEmail:\t%s",s.email);
			printf("\nPeriod:\t%s",s.period);
			printf("\nArrival date:\t%s",s.arrivaldate);
			flag=0;
			break;
		}
	}
	if(flag==1){
		printf("\n\tRequested Customer could not be found!");
	}
	getch();
	fclose(f);
}

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void search()

{

system("cls");

FILE *f;

char roomnumber[20];

int flag=1;

f=fopen("add.txt","r+");

if(f==0)

exit(0);

fflush(stdin);

printf("Enter Room number of the customer to search its details: \n");

scanf("%s", roomnumber);

while(fread(&s,sizeof(s),1,f)==1)

{

if(strcmp(s.roomnumber,roomnumber)==0){

flag=0;

printf("\n\tRecord Found\n ");

printf("\nRoom Number:\t%s",s.roomnumber);

printf("\nName:\t%s",s.name);

printf("\nAddress:\t%s",s.address);

printf("\nPhone number:\t%s",s.phonenumber);

printf("\nNationality:\t%s",s.nationality);

printf("\nEmail:\t%s",s.email);

printf("\nPeriod:\t%s",s.period);

printf("\nArrival date:\t%s",s.arrivaldate);

flag=0;

break;

}

}

if(flag==1){

printf("\n\tRequested Customer could not be found!");

}

getch();

fclose(f);

}

In this module which is the search module of the system that can search customers and its information.

The Code Given Below Is For The Edit Module

void edit()
{
	FILE *f;
	int k=1;
	char roomnumber&#91;20];
	long int size=sizeof(s);
	if((f=fopen("add.txt","r+"))==NULL)
		exit(0);
	system("cls");
	printf("Enter Room number of the customer to edit:\n\n");
	scanf("%&#91;^\n]",roomnumber);
	fflush(stdin);
	while(fread(&amp;s,sizeof(s),1,f)==1)
	{
		if(strcmp(s.roomnumber,roomnumber)==0)
		{
			k=0;
			printf("\nEnter Room Number     :");
			gets(s.roomnumber);
			printf("\nEnter Name    :");
			fflush(stdin);
			scanf("%s",&amp;s.name);
			printf("\nEnter Address        :");
			scanf("%s",&amp;s.address);
			printf("\nEnter Phone number :");
			scanf("%f",&amp;s.phonenumber);
			printf("\nEnter Nationality :");
			scanf("%s",&amp;s.nationality);
			printf("\nEnter Email :");
			scanf("%s",&amp;s.email);
			printf("\nEnter Period :");
			scanf("%s",&amp;s.period);
			printf("\nEnter Arrival date :");
			scanf("%s",&amp;s.arrivaldate);
			fseek(f,size,SEEK_CUR);  //to go to desired position infile
			fwrite(&amp;s,sizeof(s),1,f);
			break;
		}
	}
	if(k==1){
		printf("\n\nTHE RECORD DOESN'T EXIST!!!!");
		fclose(f);
		getch();
	}else{
	fclose(f);
	printf("\n\n\t\tYOUR RECORD IS SUCCESSFULLY EDITED!!!");
	getch();
}
}

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void edit()

{

FILE *f;

int k=1;

char roomnumber[20];

long int size=sizeof(s);

if((f=fopen("add.txt","r+"))==NULL)

exit(0);

system("cls");

printf("Enter Room number of the customer to edit:\n\n");

scanf("%[^\n]",roomnumber);

fflush(stdin);

while(fread(&s,sizeof(s),1,f)==1)

{

if(strcmp(s.roomnumber,roomnumber)==0)

{

k=0;

printf("\nEnter Room Number :");

gets(s.roomnumber);

printf("\nEnter Name :");

fflush(stdin);

scanf("%s",&s.name);

printf("\nEnter Address :");

scanf("%s",&s.address);

printf("\nEnter Phone number :");

scanf("%f",&s.phonenumber);

printf("\nEnter Nationality :");

scanf("%s",&s.nationality);

printf("\nEnter Email :");

scanf("%s",&s.email);

printf("\nEnter Period :");

scanf("%s",&s.period);

printf("\nEnter Arrival date :");

scanf("%s",&s.arrivaldate);

fseek(f,size,SEEK_CUR); //to go to desired position infile

fwrite(&s,sizeof(s),1,f);

break;

}

}

if(k==1){

printf("\n\nTHE RECORD DOESN'T EXIST!!!!");

fclose(f);

getch();

}else{

fclose(f);

printf("\n\n\t\tYOUR RECORD IS SUCCESSFULLY EDITED!!!");

getch();

}

}

In this module which is the edit or update module, that can edit info of customer.

Complete Source Code

#include&lt;stdio.h&gt;
#include&lt;conio.h&gt;
#include&lt;ctype.h&gt;
#include&lt;windows.h&gt;
#include&lt;stdlib.h&gt;
#include&lt;time.h&gt;

void add();  //FUNCTIONS
void list();
void edit();  //GLOBALLY DECLARED FUNCTIONS N VARIABLE
void delete1();
void search();

void setcolor(int ForgC)
{ WORD wColor;
HANDLE hStdOut=GetStdHandle(STD_OUTPUT_HANDLE);
CONSOLE_SCREEN_BUFFER_INFO csbi;

if(GetConsoleScreenBufferInfo(hStdOut,&amp;csbi))
{
	wColor=(csbi.wAttributes &amp; 0xB0)+(ForgC &amp; 0x0B);
//	SetConsoleTextAttributes(hStdOut,wColor);
	SetConsoleTextAttribute(hStdOut,wColor);

}
}

void login()
{

	int a=0,i=0;
    char uname&#91;10],c=' ';
    char pword&#91;10],code&#91;10];
    char user&#91;10]="user";
    char pass&#91;10]="pass";
    do
{
	system("cls");

    printf("\n  **************************  LOGIN FORM  **************************  ");
    printf(" \n                       ENTER USERNAME:-");
	scanf("%s", &amp;uname);
	printf(" \n                       ENTER PASSWORD:-");
	while(i&lt;10)
	{
	    pword&#91;i]=getch();
	    c=pword&#91;i];
	    if(c==13) break;
	    else printf("*");
	    i++;
	}
	pword&#91;i]='\0';
	//char code=pword;
	i=0;
	//scanf("%s",&amp;pword);
		if(strcmp(uname,user)==0 &amp;&amp; strcmp(pword,pass)==0)
	{
	printf("  \n\n\n       WELCOME !!!! LOGIN IS SUCCESSFUL");

	break;
	}
	else
	{
		printf("\n        SORRY !!!!  LOGIN IS UNSUCESSFUL");
		a++;

		getch();

	}
}
	while(a&lt;=2);
	if (a&gt;2)
	{
		printf("\nSorry you have entered the wrong username and password for four times!!!");

		getch();

		}
		system("cls");
}

struct CustomerDetails   //STRUCTURE DECLARATION
{
	char roomnumber&#91;10];
	char name&#91;20];
	char address&#91;25];
	char phonenumber&#91;15];
	char nationality&#91;15];
	char email&#91;20];
	char period&#91;10];
	char arrivaldate&#91;10];
}s;

int main(){     // MAIN FUNCTION
	int i=0;

	time_t t;
	time(&amp;t);
	char customername;
	char choice;
    login();
    system("cls");
	while (1)      // INFINITE LOOP
	{
		system("cls");
		setcolor(10);
		 for(i=0;i&lt;80;i++)
		printf("-");
		printf("\n");
		printf("   ******************************  |MAIN MENU|  ***************************** \n");
		for(i=0;i&lt;80;i++)
		printf("-");
		printf("\n");
		setcolor(10);
		printf("\t\t *Please enter your choice for menu*:");
		printf("\n\n");
		printf(" \n Enter 1 -&gt; Book a room");
		printf("\n------------------------");
		printf(" \n Enter 2 -&gt; View Customer Record");
		printf("\n----------------------------------");
		printf(" \n Enter 3 -&gt; Delete Customer Record");
		printf("\n-----------------------------------");
		printf(" \n Enter 4 -&gt; Search Customer Record");
		printf("\n-----------------------------------");
		printf(" \n Enter 5 -&gt; Edit Record");
		printf("\n-----------------------");
		printf(" \n Enter 6 -&gt; Exit");
		printf("\n-----------------");
		printf("\n");
		for(i=0;i&lt;80;i++)
		printf("-");
	    printf("\nCurrent date and time : %s",ctime(&amp;t));
	    for(i=0;i&lt;80;i++)
		printf("-");

		choice=getche();
		choice=toupper(choice);
		switch(choice)           // SWITCH STATEMENT
		{
			case '1':
				add();break;
			case '2':
				list();break;
			case '3':
				delete1();break;
			case '4':
				search();break;
			case '5':
				edit();break;
			case '6':
				system("cls");
				printf("\n\n\t *****THANK YOU*****");
				printf("\n\t FOR TRUSTING OUR SERVICE");
			//	Sleep(2000);
				exit(0);
				break;
			default:
				system("cls");
				printf("Incorrect Input");
				printf("\n Press any key to continue");
				getch();
		}
	}
}

void add()
{
	FILE *f;
	char test;
	f=fopen("add.txt","a+");
	if(f==0)
	{   f=fopen("add.txt","w+");
		system("cls");
		printf("Please hold on while we set our database in your computer!!");
		printf("\n Process completed press any key to continue!! ");
		getch();
	}
	while(1)
	{
		system("cls");
		printf("\n Enter Customer Details:");
		printf("\n**************************");
		printf("\n Enter Room number:\n");
		scanf("\n%s",s.roomnumber);
		fflush(stdin);
		printf("Enter Name:\n");
		scanf("%s",s.name);
		printf("Enter Address:\n");
		scanf("%s",s.address);
		printf("Enter Phone Number:\n");
		scanf("%s",s.phonenumber);
		printf("Enter Nationality:\n");
		scanf("%s",s.nationality);
		printf("Enter Email:\n");
		scanf(" %s",s.email);
		printf("Enter Period(\'x\'days):\n");
		scanf("%s",&amp;s.period);
		printf("Enter Arrival date(dd\\mm\\yyyy):\n");
		scanf("%s",&amp;s.arrivaldate);
		fwrite(&amp;s,sizeof(s),1,f);
		fflush(stdin);
		printf("\n\n1 Room is successfully booked!!");
		printf("\n Press esc key to exit,  any other key to add another customer detail:");
		test=getche();
		if(test==27)
			break;

	}
	fclose(f);
}

void list()
{
	FILE *f;
	int i;
	if((f=fopen("add.txt","r"))==NULL)
		exit(0);
	system("cls");
	printf("ROOM    ");
	printf("NAME\t ");
	printf("\tADDRESS ");
	printf("\tPHONENUMBER ");
	printf("\tNATIONALITY ");
	printf("\tEMAIL ");
	printf("\t\t  PERIOD ");
	printf("\t ARRIVALDATE \n");

	for(i=0;i&lt;118;i++)
		printf("-");
	while(fread(&amp;s,sizeof(s),1,f)==1)
	{
		/*printf("ROOMNUMBER :\t%s\n",s.roomnumber);
		printf("NAME:\t%s\n",,s.name);
		printf("ADDRESS:\t%s\n",s.address);
		printf("PHONENUMBER:\t%s\n",s.phonenumber);
		printf("NATIONALITY \n");*/
		printf("\n%s \t%s \t\t%s \t\t%s \t%s  \t%s  \t     %s  \t  %s",s.roomnumber, s.name , s.address , s.phonenumber ,s.nationality ,s.email,s.period,  s.arrivaldate);
	}
	printf("\n");
	for(i=0;i&lt;118;i++)
		printf("-");

	fclose(f);
	getch();
}

void delete1()
{
	FILE *f,*t;
	int i=1;
	char roomnumber&#91;20];
	if((t=fopen("temp.txt","w"))==NULL)
	exit(0);
	if((f=fopen("add.txt","r"))==NULL)
	exit(0);
	system("cls");
	printf("Enter the Room Number of the hotel to be deleted from the database: \n");
	fflush(stdin);
	scanf("%s",roomnumber);
	while(fread(&amp;s,sizeof(s),1,f)==1)
	{
		if(strcmp(s.roomnumber,roomnumber)==0)
		{       i=0;
			continue;
		}
		else
			fwrite(&amp;s,sizeof(s),1,t);
	}
	if(i==1)
	{
		printf("\n\n Records of Customer in this  Room number is not found!!");
		//remove("E:/file.txt");
	   //rename("E:/temp.txt","E:/file.txt");
		getch();
		fclose(f);
		fclose(t);
		main();
	}
	fclose(f);
	fclose(t);
	remove("add.txt");
	rename("temp.txt","add.txt");
	printf("\n\nThe Customer is successfully removed....");
	fclose(f);
	fclose(t);
	getch();
}

void search()
{
system("cls");
	FILE *f;
	char roomnumber&#91;20];
	int flag=1;
	f=fopen("add.txt","r+");
	if(f==0)
		exit(0);
	fflush(stdin);
	printf("Enter Room number of the customer to search its details: \n");
	scanf("%s", roomnumber);
	while(fread(&amp;s,sizeof(s),1,f)==1)
	{
		if(strcmp(s.roomnumber,roomnumber)==0){
			flag=0;
			printf("\n\tRecord Found\n ");
			printf("\nRoom Number:\t%s",s.roomnumber);
			printf("\nName:\t%s",s.name);
			printf("\nAddress:\t%s",s.address);
			printf("\nPhone number:\t%s",s.phonenumber);
			printf("\nNationality:\t%s",s.nationality);
			printf("\nEmail:\t%s",s.email);
			printf("\nPeriod:\t%s",s.period);
			printf("\nArrival date:\t%s",s.arrivaldate);
			flag=0;
			break;
		}
	}
	if(flag==1){
		printf("\n\tRequested Customer could not be found!");
	}
	getch();
	fclose(f);
}

void edit()
{
	FILE *f;
	int k=1;
	char roomnumber&#91;20];
	long int size=sizeof(s);
	if((f=fopen("add.txt","r+"))==NULL)
		exit(0);
	system("cls");
	printf("Enter Room number of the customer to edit:\n\n");
	scanf("%&#91;^\n]",roomnumber);
	fflush(stdin);
	while(fread(&amp;s,sizeof(s),1,f)==1)
	{
		if(strcmp(s.roomnumber,roomnumber)==0)
		{
			k=0;
			printf("\nEnter Room Number     :");
			gets(s.roomnumber);
			printf("\nEnter Name    :");
			fflush(stdin);
			scanf("%s",&amp;s.name);
			printf("\nEnter Address        :");
			scanf("%s",&amp;s.address);
			printf("\nEnter Phone number :");
			scanf("%f",&amp;s.phonenumber);
			printf("\nEnter Nationality :");
			scanf("%s",&amp;s.nationality);
			printf("\nEnter Email :");
			scanf("%s",&amp;s.email);
			printf("\nEnter Period :");
			scanf("%s",&amp;s.period);
			printf("\nEnter Arrival date :");
			scanf("%s",&amp;s.arrivaldate);
			fseek(f,size,SEEK_CUR);  //to go to desired position infile
			fwrite(&amp;s,sizeof(s),1,f);
			break;
		}
	}
	if(k==1){
		printf("\n\nTHE RECORD DOESN'T EXIST!!!!");
		fclose(f);
		getch();
	}else{
	fclose(f);
	printf("\n\n\t\tYOUR RECORD IS SUCCESSFULLY EDITED!!!");
	getch();
}
}

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#include<stdio.h>

#include<conio.h>

#include<ctype.h>

#include<windows.h>

#include<stdlib.h>

#include<time.h>

void add(); //FUNCTIONS

void list();

void edit(); //GLOBALLY DECLARED FUNCTIONS N VARIABLE

void delete1();

void search();

void setcolor(int ForgC)

{ WORD wColor;

HANDLE hStdOut=GetStdHandle(STD_OUTPUT_HANDLE);

CONSOLE_SCREEN_BUFFER_INFO csbi;

if(GetConsoleScreenBufferInfo(hStdOut,&csbi))

{

wColor=(csbi.wAttributes & 0xB0)+(ForgC & 0x0B);

// SetConsoleTextAttributes(hStdOut,wColor);

SetConsoleTextAttribute(hStdOut,wColor);

}

}

void login()

{

int a=0,i=0;

char uname[10],c=' ';

char pword[10],code[10];

char user[10]="user";

char pass[10]="pass";

do

{

system("cls");

printf("\n ************************** LOGIN FORM ************************** ");

printf(" \n ENTER USERNAME:-");

scanf("%s", &uname);

printf(" \n ENTER PASSWORD:-");

while(i<10)

{

pword[i]=getch();

c=pword[i];

if(c==13) break;

else printf("*");

i++;

}

pword[i]='\0';

//char code=pword;

i=0;

//scanf("%s",&pword);

if(strcmp(uname,user)==0 && strcmp(pword,pass)==0)

{

printf(" \n\n\n WELCOME !!!! LOGIN IS SUCCESSFUL");

break;

}

else

{

printf("\n SORRY !!!! LOGIN IS UNSUCESSFUL");

a++;

getch();

}

}

while(a<=2);

if (a>2)

{

printf("\nSorry you have entered the wrong username and password for four times!!!");

getch();

}

system("cls");

}

struct CustomerDetails //STRUCTURE DECLARATION

{

char roomnumber[10];

char name[20];

char address[25];

char phonenumber[15];

char nationality[15];

char email[20];

char period[10];

char arrivaldate[10];

}s;

int main(){ // MAIN FUNCTION

int i=0;

time_t t;

time(&t);

char customername;

char choice;

login();

system("cls");

while (1) // INFINITE LOOP

{

system("cls");

setcolor(10);

for(i=0;i<80;i++)

printf("-");

printf("\n");

printf(" ****************************** |MAIN MENU| ***************************** \n");

for(i=0;i<80;i++)

printf("-");

printf("\n");

setcolor(10);

printf("\t\t *Please enter your choice for menu*:");

printf("\n\n");

printf(" \n Enter 1 -> Book a room");

printf("\n------------------------");

printf(" \n Enter 2 -> View Customer Record");

printf("\n----------------------------------");

printf(" \n Enter 3 -> Delete Customer Record");

printf("\n-----------------------------------");

printf(" \n Enter 4 -> Search Customer Record");

printf("\n-----------------------------------");

printf(" \n Enter 5 -> Edit Record");

printf("\n-----------------------");

printf(" \n Enter 6 -> Exit");

printf("\n-----------------");

printf("\n");

for(i=0;i<80;i++)

printf("-");

printf("\nCurrent date and time : %s",ctime(&t));

for(i=0;i<80;i++)

printf("-");

choice=getche();

choice=toupper(choice);

switch(choice) // SWITCH STATEMENT

{

case '1':

add();break;

case '2':

list();break;

case '3':

delete1();break;

case '4':

search();break;

case '5':

edit();break;

case '6':

system("cls");

printf("\n\n\t *****THANK YOU*****");

printf("\n\t FOR TRUSTING OUR SERVICE");

// Sleep(2000);

exit(0);

break;

default:

system("cls");

printf("Incorrect Input");

printf("\n Press any key to continue");

getch();

}

}

}

void add()

{

FILE *f;

char test;

f=fopen("add.txt","a+");

if(f==0)

{ f=fopen("add.txt","w+");

system("cls");

printf("Please hold on while we set our database in your computer!!");

printf("\n Process completed press any key to continue!! ");

getch();

}

while(1)

{

system("cls");

printf("\n Enter Customer Details:");

printf("\n**************************");

printf("\n Enter Room number:\n");

scanf("\n%s",s.roomnumber);

fflush(stdin);

printf("Enter Name:\n");

scanf("%s",s.name);

printf("Enter Address:\n");

scanf("%s",s.address);

printf("Enter Phone Number:\n");

scanf("%s",s.phonenumber);

printf("Enter Nationality:\n");

scanf("%s",s.nationality);

printf("Enter Email:\n");

scanf(" %s",s.email);

printf("Enter Period(\'x\'days):\n");

scanf("%s",&s.period);

printf("Enter Arrival date(dd\\mm\\yyyy):\n");

scanf("%s",&s.arrivaldate);

fwrite(&s,sizeof(s),1,f);

fflush(stdin);

printf("\n\n1 Room is successfully booked!!");

printf("\n Press esc key to exit, any other key to add another customer detail:");

test=getche();

if(test==27)

break;

}

fclose(f);

}

void list()

{

FILE *f;

int i;

if((f=fopen("add.txt","r"))==NULL)

exit(0);

system("cls");

printf("ROOM ");

printf("NAME\t ");

printf("\tADDRESS ");

printf("\tPHONENUMBER ");

printf("\tNATIONALITY ");

printf("\tEMAIL ");

printf("\t\t PERIOD ");

printf("\t ARRIVALDATE \n");

for(i=0;i<118;i++)

printf("-");

while(fread(&s,sizeof(s),1,f)==1)

{

/*printf("ROOMNUMBER :\t%s\n",s.roomnumber);

printf("NAME:\t%s\n",,s.name);

printf("ADDRESS:\t%s\n",s.address);

printf("PHONENUMBER:\t%s\n",s.phonenumber);

printf("NATIONALITY \n");*/

printf("\n%s \t%s \t\t%s \t\t%s \t%s \t%s \t %s \t %s",s.roomnumber, s.name , s.address , s.phonenumber ,s.nationality ,s.email,s.period, s.arrivaldate);

}

printf("\n");

for(i=0;i<118;i++)

printf("-");

fclose(f);

getch();

}

void delete1()

{

FILE *f,*t;

int i=1;

char roomnumber[20];

if((t=fopen("temp.txt","w"))==NULL)

exit(0);

if((f=fopen("add.txt","r"))==NULL)

exit(0);

system("cls");

printf("Enter the Room Number of the hotel to be deleted from the database: \n");

fflush(stdin);

scanf("%s",roomnumber);

while(fread(&s,sizeof(s),1,f)==1)

{

if(strcmp(s.roomnumber,roomnumber)==0)

{ i=0;

continue;

}

else

fwrite(&s,sizeof(s),1,t);

}

if(i==1)

{

printf("\n\n Records of Customer in this Room number is not found!!");

//remove("E:/file.txt");

//rename("E:/temp.txt","E:/file.txt");

getch();

fclose(f);

fclose(t);

main();

}

fclose(f);

fclose(t);

remove("add.txt");

rename("temp.txt","add.txt");

printf("\n\nThe Customer is successfully removed....");

fclose(f);

fclose(t);

getch();

}

void search()

{

system("cls");

FILE *f;

char roomnumber[20];

int flag=1;

f=fopen("add.txt","r+");

if(f==0)

exit(0);

fflush(stdin);

printf("Enter Room number of the customer to search its details: \n");

scanf("%s", roomnumber);

while(fread(&s,sizeof(s),1,f)==1)

{

if(strcmp(s.roomnumber,roomnumber)==0){

flag=0;

printf("\n\tRecord Found\n ");

printf("\nRoom Number:\t%s",s.roomnumber);

printf("\nName:\t%s",s.name);

printf("\nAddress:\t%s",s.address);

printf("\nPhone number:\t%s",s.phonenumber);

printf("\nNationality:\t%s",s.nationality);

printf("\nEmail:\t%s",s.email);

printf("\nPeriod:\t%s",s.period);

printf("\nArrival date:\t%s",s.arrivaldate);

flag=0;

break;

}

}

if(flag==1){

printf("\n\tRequested Customer could not be found!");

}

getch();

fclose(f);

}

void edit()

{

FILE *f;

int k=1;

char roomnumber[20];

long int size=sizeof(s);

if((f=fopen("add.txt","r+"))==NULL)

exit(0);

system("cls");

printf("Enter Room number of the customer to edit:\n\n");

scanf("%[^\n]",roomnumber);

fflush(stdin);

while(fread(&s,sizeof(s),1,f)==1)

{

if(strcmp(s.roomnumber,roomnumber)==0)

{

k=0;

printf("\nEnter Room Number :");

gets(s.roomnumber);

printf("\nEnter Name :");

fflush(stdin);

scanf("%s",&s.name);

printf("\nEnter Address :");

scanf("%s",&s.address);

printf("\nEnter Phone number :");

scanf("%f",&s.phonenumber);

printf("\nEnter Nationality :");

scanf("%s",&s.nationality);

printf("\nEnter Email :");

scanf("%s",&s.email);

printf("\nEnter Period :");

scanf("%s",&s.period);

printf("\nEnter Arrival date :");

scanf("%s",&s.arrivaldate);

fseek(f,size,SEEK_CUR); //to go to desired position infile

fwrite(&s,sizeof(s),1,f);

break;

}

}

if(k==1){

printf("\n\nTHE RECORD DOESN'T EXIST!!!!");

fclose(f);

getch();

}else{

fclose(f);

printf("\n\n\t\tYOUR RECORD IS SUCCESSFULLY EDITED!!!");

getch();

}

}

ABOUT PROJECT	PROJECT DETAILS
Project Name :	Hotel Management System
Project Platform :	C/C++
Programming Language Used:	C Programming Language
Developer Name :	itsourcecode.com
IDE Tool (Recommended):	Dev-C++/Codeblocks
Project Type :	Desktop Application
Database:	Stores data in .DAT file
Upload Date and Time:	September 23, 2020-1:16 am

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Downloadable Source Code

Summary

This System Project is being develop in C programming language, and this simple project can enhance the knowledge of the beginners or the students to develop their skills in programming, also this project is easy to understand the module and their variables.

Hotel Management System Project using Different Programming Languages

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