Copy string using function Dry Run in C

Copy string using function is an interactive C dry run visualizer from the Functions programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

This page provides a browser-based dry run with source-code highlighting, auto-scroll, voice narration controls, and execution output for learning the program step by step.

Copy string using function Program Code

#include <stdio.h>

void copyString(char source[], char destination[]) {
    int i = 0;
    while(source[i] != '\0') {
        destination[i] = source[i];
        i++;
    }
    destination[i] = '\0';  // Add null terminator
}

int main() {
    char original[] = "Learn C Programming";
    char copy[50];
    
    copyString(original, copy);
    
    printf("Original: %s\n", original);
    printf("Copy: %s\n", copy);
    return 0;
}

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Program Console Copy string using function Topic: C Vignaankosh.com
Execution Panel
Step 0/0
Console is empty.