goto for error handling (cleanup) Dry Run in C

goto for error handling (cleanup) is an interactive C dry run visualizer from the Control 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.

goto for error handling (cleanup) Program Code

#include <stdio.h>
int main() {
    int num;
    printf("Enter a positive number: ");
    scanf("%d", &num);
    
    if(num <= 0) {
        goto error;
    }
    
    printf("You entered: %d\n", num);
    printf("Processing...\n");
    return 0;
    
    error:
    printf("Error: Number must be positive!\n");
    return 1;
}

View the complete Control programs page.