C Program to Copy One to Another String
Write a C Program to Copy One to Another String using Recursion. Here’s simple Program to Copy One to Another String using Recursion in C Programming Language.
Recursion : :
- Recursion is the process of repeating items in a self-similar way. In programming languages, if a program allows you to call a function inside the same function, then it is called a recursive call of the function.
- The C programming language supports recursion, i.e., a function to call itself. But while using recursion, programmers need to be careful to define an exit condition from the function, otherwise it will go into an infinite loop.
- Recursive functions are very useful to solve many mathematical problems, such as calculating the factorial of a number, generating Fibonacci series, etc.
Problem : :
This C Program uses recursive function & copies a string entered by user from one character array to another character array.
Here is the source code of the C program to copy string using recursion. The C Program is successfully compiled and run on a Windows system. The program output is also shown below.
SOURCE CODE : :
/* C Program to Copy One to Another String using Recursion */
void copy(char , char , int);
char str1, str2;
printf("Enter string to copy: ");
copy(str1, str2, 0);
printf("The first string is: %s\n", str1);
printf("The second string is: %s\n", str2);
void copy(char str1, char str2, int index)
str2[index] = str1[index];
if (str1[index] == '\0')
copy(str1, str2, index + 1);
Output : :
*************** OUTPUT ******************
Enter string to copy: CodezClub
The first string is: CodezClub
The second string is: CodezClub
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