C Programming: Copy one string into another string
C String: Exercise-8 with Solution
Write a program in C to copy one string to another string.
Sample Solution:
C Code:
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main() {
char str1[100], str2[100]; // Declare two character arrays to store strings
int i; // Declare a variable for iteration
printf("\n\nCopy one string into another string :\n"); // Display information about the task
printf("-----------------------------------------\n");
printf("Input the string : ");
fgets(str1, sizeof str1, stdin); // Read a string from the standard input (keyboard)
/* Copies string1 to string2 character by character */
i = 0; // Initialize the iteration variable
while (str1[i] != '\0') { // Loop until the end of the first string ('\0' character is encountered)
str2[i] = str1[i]; // Copy each character from the first string to the second string
i++; // Move to the next character in the strings
}
// Ensure the second string is NULL terminated
str2[i] = '\0'; // Add the NULL terminator at the end of the second string
// Display the first and second strings along with the number of characters copied
printf("\nThe First string is : %s\n", str1);
printf("The Second string is : %s\n", str2);
printf("Number of characters copied : %d\n\n", i);
return 0; // Return 0 to indicate successful execution of the program
}
Sample Output:
Copy one string into another string : ----------------------------------------- Input the string : This is a string to be copied. The First string is : This is a string to be copied. The Second string is : This is a string to be copied. Number of characters copied : 31
Flowchart:
C Programming Code Editor:
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