C program to copy one string to another string - Wikitechy https://www.wikitechy.com/interview-questions/tag/c-program-to-copy-one-string-to-another-string/ Interview Questions Tue, 14 Sep 2021 05:59:53 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png C program to copy one string to another string - Wikitechy https://www.wikitechy.com/interview-questions/tag/c-program-to-copy-one-string-to-another-string/ 32 32 Write a program without using library functions ? https://www.wikitechy.com/interview-questions/c/write-a-program-without-using-library-functions/ https://www.wikitechy.com/interview-questions/c/write-a-program-without-using-library-functions/#respond Mon, 12 Jul 2021 20:38:18 +0000 https://www.wikitechy.com/interview-questions/?p=330 Write a program without using library functions ?
  • C Standard library functions or simply C Library functions are inbuilt functions in C programming.
  • The prototype and data definitions of the functions are present in their respective header files, and must be included in your program to access them.
  • If you want to use printf() function, the header file should be included. For example,

Copy String Manually Without Using strcpy()

  • In this C Program we have to copy the string without using library functions.

Sample Code

#include 
int main()
{
    char str1[100], str2[100], j;

    printf("Enter the string str1: ");
    scanf("%s",str1);

    for(j = 0; str1[j] != '\0'; ++j)
    {
        str2[j] = str1[j];
    }

    str2[j] = '\0';
    printf("String str2: %s", str2);

    return 0;
}

Output

Enter the String str1: Wikitechy
 String str2: Wikitechy
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