Concatenate using strcat() Dry Run in C

Concatenate using strcat() is an interactive C dry run visualizer from the String 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.

Concatenate using strcat() Program Code

#include <stdio.h>
#include <string.h>
int main() {
    char str1[50] = "Hello ";
    char str2[] = "World!";
    
    strcat(str1, str2);
    
    printf("Concatenated: %s\n", str1);
    return 0;
}

View the complete String Functions programs page.