This Post Contains A Mini Project :~ C Program To Perform Various Operations On Strings. [Such As : Find Length, Copy, Reverse, Palindrome, Concatenation, Sub-string] With Correct Source Code, Algorithm & Output. This Program Is Written, Compiled & Executed At Turbo C/C++3.0 Compiler & Will Help You To Understand The Concept Of 'String Operations', 'Character Arrays', 'Functions', 'Menu Driven Concept' From C++ Language. It Is A Well-Structured Program With Proper Comments Which Provides Step-By-Step Description Of Various Features Of The Language In A Simple & Easy-To-Understand Way.
# Note : You Can Simply Copy-Paste The Following Program Or Code Into Compiler For Direct Result.
Mini Project :~ C Program To Perform Various Operations On Strings. [Such As : Find Length, Copy, Reverse, Palindrome, Concatenation, Sub-string]
/* Declaration Of Header Files */
#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
/* Function Declarations */
void Scan1(char *);
void Scan2(char * , char *);
void Leng (char *);
void Copy (char * , char *);
void Reve (char * , char *);
void Palindrome(char * , char *);
void Concat (char * , char *);
void Subs (char Str1[] , char Str2[]);
/* Start Of Main Program */
void main()
{
/* Declaration Of Local Variables Of 'main()' Function */
int Num = 0;
char Str1[50] , Str2[50];
clrscr();
/* Printing 'Menu' On Screen/Console */
printf(" \n :: Welcome To 'String Operation' Program :: \n ");
do
{
printf(" \n Please Select One Of The Options From Following Menu : ");
printf(" \n 1. Length Of Given String. \n 2. Copy Of Given String.");
printf(" \n 3. Reverse The String. \n 4. Check For Palindrome.");
printf(" \n 5.Concatenate The Strings. \n 6. To Find The Sub-string.");
printf(" \n 7. EXIT From PROGRAM.");
printf(" \n Please Enter Your Option Here ::\t\a");
scanf("%d" , &Num);
switch(Num)
{
case 1: textcolor(RED);
clrscr();
printf(" \n :: Welcome To Length Function :: \n ");
Scan1( Str1 ); // Call To Function.
Leng ( Str1 ); // Call To Function.
break;
case 2: textcolor(GREEN);
clrscr();
printf(" \n :: Welcome To Copy Function :: \n ");
Scan1( Str1 );
Copy ( Str1 , Str2 ); // Call To Function.
break;
case 3: textcolor(YELLOW);
clrscr();
printf(" \n :: Welcome To Reverse Function :: \n ");
Scan1( Str1 );
Reve ( Str1 , Str2 ); // Call To Function.
break;
case 4: textcolor(10);
clrscr();
printf(" \n :: Welcome To Palindrome Function :: \n ");
Scan1( Str1 );
Palindrome( Str1 , Str2 ); // Call To Function.
break;
case 5: textcolor(12);
clrscr();
printf(" \n :: Welcome To Concatenation Function :: \n ");
Scan2( Str1 , Str2 );
Concat(Str1 , Str2); // Call To Function.
break;
case 6: textcolor(5);
clrscr();
printf(" \n :: Welcome To Substring Function :: \n ");
Scan2( Str1 , Str2 );
Subs ( Str1 , Str2 ); // Call To Function.
break;
case 7: exit (0); // Exit From Program.
break;
default: printf(" \n Sorry!!!. Please Enter A Valid Choice. ");
}
}while( Num <= 7 );
/* End Of 'Menu' */
getch();
}
/* End Of Main Program */
void Scan1(char *Str1) // Function Definition.
{
printf(" \n Please Enter The String ::\t ");
fflush( stdin );
gets ( Str1 );
}
void Scan2(char *Str1 , char *Str2) // Function Definition.
{
printf(" \n Please Enter String 1 ::\t ");
fflush( stdin );
gets ( Str1 );
printf(" \n Please Enter String 2 ::\t ");
fflush( stdin );
gets ( Str2 );
}
void Leng( char *Str1 ) // Function Definition.
{
int i = 0;
while( Str1[i] != '\0' )
{
i++;
}
printf(" \n The Length Of String Is ::\t%d ", i);
getch();
}
void Copy( char *Str1 , char *Str2 ) // Function Definition.
{
int i = 0 , j = 0;
while( Str1[i] != '\0' )
{
Str2[j] = Str1[i];
j++;
i++;
}
Str2[j] = '\0';
printf("The Entered String Is ::\t");
puts(Str1);
printf("Copy Of Given String Is ::\t");
puts(Str2);
getch();
}
void Reve( char *Str1 , char *Str2 ) // Function Definition.
{
int i = 0 , j = 0;
while( Str1[i] != '\0' )
{
i++;
}
for(i--; i>=0; i--)
{
Str2[j] = Str1[i];
j++;
}
Str2[j] = '\0';
printf("The Entered String Is ::\t");
puts(Str1);
printf("Reversed Of Given String Is ::\t");
puts(Str2);
getch();
}
void Palindrome( char *Str1 , char *Str2 ) // Function Definition.
{
int i = 0, j = 0, flag = 0;
while( Str1[i] != '\0' )
{
i++;
}
for(i--; i>=0; i--)
{
Str2[j] = Str1[i];
j++;
}
Str2[j] = '\0';
i=0;
j--;
while( Str1[i] == Str1[j] )
{
flag = 1;
i++;
j--;
}
if( flag == 1 )
{
printf("\nThe Given String Is A Palindrome");
}
else
{
printf("\nThe Given String Is Not A Palindrome");
}
getch();
}
void Concat( char *Str1 , char *Str2 ) // Function Definition.
{
int i = 0 , j = 0;
while( Str1[i] != '\0' )
{
i++;
}
while( Str2[j] != '\0' )
{
Str1[i] = Str2[j];
i++;
j++;
}
Str1[i] = '\0';
printf("\n The Concatenated String Is :");
puts( Str1 );
getch();
}
void Subs( char Str1[] , char Str2[] ) // Function Definition.
{
int i , j , flag = 0;
for(j=0; Str2[j] != '\0'; j++)
{
for(i=0; Str1[i] != '\0'; i++)
{
if( Str1[i] == Str2[j] )
{
flag = 1;
break;
}
}
}
if( flag == 1 )
{
printf("\nThe Given String 2 Is A Substring Of String 1");
}
else
{
printf("\nThe Given String 2 Is Not A Substring Of String 1");
}
getch();
}
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