Inputting the Date using C

Learn how to take Correct Date in Inputting the date using C and Printing in a suitable form. Learn through an Example

C program to display date using the structure 

#include <stdio.h>
#include <stdio.h>
//#include <stdbool.h>
//#include<string.h>
//#include<ctype.h>
int chk_date(char []);
int count=0;
int main()
{
int z=-1;
char s[11];
do{

printf(“\nEnter date in format dd/mm/yyyy : “);
gets(s);
printf(“\nEntered date is = %s”,s);

z=chk_date(s);
if(z==0)
printf(“\nInvalid date“);
}
while(z!=1);

printf(“\nValid date“);

return 0;
}

int chk_date(char x[])
{
int i=0;
char d[3];
char m[3];
char y[5];

int day;
int month;
int year;

while(x[i]!=’\0′){
if(!isdigit(x[i]) && x[i]!=’/’)
{
return 0;
}
else
{
if(x[i]==’/’)
{
if(i==2)
{
d[0]=x[0];
d[1]=x[1];
}

if(i==5)
{
m[0]=x[3];
m[1]=x[4];
}

}
else
{
y[0]=x[6];
y[1]=x[7];
y[2]=x[8];
y[3]=x[9];
}
}

i++;
}

day=atoi(d);
month=atoi(m);
year=atoi(y);

if(day<=0 || day>31)
return 0;
if(month<=0 || month >12)
return 0;
if(year<1000 && year >9999)
return 0;

if(x[2]!=’/’ && x[5]!=’/’)
return 0;
return 1;
}

C Program to print the date in legal form

In this program when you entered the date in the wrong form:- Ex. Palace of Month (1-12), But you entered the palace of Month like 13th or Greater than. Then this program will show you a Message like Invalid Input.

C program to store date in an integer variable

When you entered the Correct input then the message will be shown to you in the following Image.

END

C program to draw a square using graphics (clickHere)

Note:- Maybe sometime above code doesn’t get user-friendly output, in codeblock ‘or’ any other EDITOR, All of C & C++ program tested in DOS compiler Turbo C.

Also Read

Types of functions in C    Read Here

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C program to Display Current Date and Time

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