Copy a String without using strcpy function

Write a C Program to Copy a String without using strcpy function. Here’s simple C Program to Copy a String without using strcpy function in C Programming Language.

C – Strings :

Strings are actually one-dimensional array of characters terminated by a null character ‘\0’. Thus a null-terminated string contains the characters that comprise the string followed by a null.

String is a sequence of characters. char data type is used to represent one single character in C. So if you want to use a string in your program then you can use an array of characters.

The declaration and definition of the string using an array of chars is similar to declaration and definition of an array of any other data type.

Any string ends with a terminating null character ‘\0’. An array definition in such a way should include null character ‘\0’ as the last element.

Here is source code of the C Program to Copy a String without using strcpy function. The C program is successfully compiled and run(on Codeblocks) on a Windows system. The program output is also shown in below.

SOURCE CODE : :

/*  C Program to Copy a String without using strcpy function  */

#include<stdio.h>
int main()
{
  char s1[100], s2[100], i;

  printf("\nEnter ant String s1 :: ");
  scanf("%s",s1);

  for(i=0; s1[i]!='\0'; ++i)
  {
    s2[i]=s1[i];
  }

  s2[i]='\0';

  printf("\nAfter Copying, String s2 :: [ %s ]\n",s2);

  return 0;
}

Output:

/*  C Program to Copy a String without using strcpy function  */

Enter ant String s1 :: COdezClub

After Copying, String s2 :: [ COdezClub ]

Process returned 0

Above is the source code for C Program to Copy a String without using strcpy function which is successfully compiled and run on Windows System.The Output of the program is shown above .

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