C PROGRAMS : STRINGS

C PROGRAMS : STRINGS
1. Program to accept a string and print it
#include<stdio.h>
#include<conio.h> // Linux user - Remove this

int main()
{
 // Declaring variable str=to store string inputted by user
 char str[80];
 
 // Inputing string
 printf("Enter any sentence : ");
 gets(str);
 
 // printing string
 printf("\nEntered String : ");
 puts(str);
 
 // Another way of printing string
 printf("\nEnterd string : %s",str);
  
 getch(); // Linux user - Remove this

 return 0;
}

2. Program to accept a character in the uppercase and print in lower case
#include<stdio.h>
#include<conio.h> // Linux user - Remove this

int main()
{
 //Declaring variable ch to hold character value and cl=change to lower case 
 char ch,cl;

 // Inputting character
 printf("Enter a character in uppercase : ");
 ch=getchar();
 
 // Converting it to lower case
 cl=ch+32;
 
 // Printing lower case character
 printf("The given character in lowercase is : %c \n",cl);
 
 // Another way of priting
 printf("The given character in lowercase is : ");
 putchar(cl);
 
 getch(); // Linux user - Remove this

 return 0;
}

3. Program to accept a character in Lower case and print it in upper case
# include <stdio.h>
# include <conio.h> // Linux user - Remove this

int main( )
{
 // Declaring variable ch=character, cu=change character to upper case
 char ch,cu; 
 
 // Entering character
 printf("Enter a charcater in lower case: ");
 scanf("%c",&ch);
 
 // Converting it to upper case
 cu=ch-32;
 
 // Printing upper case character
 printf("The given character in upper case is : %c \n",cu);
 
  getch( ); // Linux user - Remove this

  return 0;
}


4. Program to accept a character in any case and print in another case
#include<stdio.h>
#include<conio.h> // Linux user - Remove this

int main()
{
 // Declaring variable ch to hold character value and cch=change character
 char ch,cch;

 // Inputting character
 printf("Enter a character in anycase : ");
 scanf("%c",&ch);

 // Changing case
 if(ch>=65 && ch<=90)
 cch=ch+32;
 
 else if(ch>=97 && ch<=122)
 cch=ch-32;
 
 // Printing Changed case
 printf("Changed character : %c ",cch);
 
 getch(); // Linux user - Remove this

 return 0;
}


5. Program to accept a string and print it by using while loop
#include<stdio.h>
#include<conio.h> // Linux user - Remove this

int main()
{
 // Declaring variable ch to store input character
 char ch; 

 // Inputing and displaying string
 printf("Enter a string : ");
 while(( ch=getchar( ))!='\n')
 putchar(ch); 

 getch(); // Linux user - Remove this

 return 0;
}

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