Concatenate n characters using strncat() Dry Run in C

Concatenate n characters using strncat() 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 n characters using strncat() Program Code

#include <stdio.h>
#include <string.h>
int main() {
    char str1[50] = "Hello ";
    char str2[] = "World Beautiful";
    int n = 5;
    
    strncat(str1, str2, n);
    
    printf("After concatenating %d chars: %s\n", n, str1);
    
    return 0;
}

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