Solved: how to use gotoxy in c language

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The language of C has been a cornerstone in the world of programming for decades. Among its many advantageous functionalities, one that often proves handy is the function of `gotoxy` in C. This function, which belongs to the `conio.h` library, primarily works to control the output screen cursor location. In essence, with `gotoxy`, C developers can directly specify where the next output should be printed on the console screen.

The usage of the `gotoxy` function in C can significantly enhance the visual appeal and arrangement of console outputs, and is particularly advantageous when building programs such as games, where object positioning on the console screen plays a crucial role.

Understanding the `gotoxy` Function in C

The `gotoxy` function enables us to reposition the cursor on the console screen, but it needs to be noted that this is mostly used in a DOS environment and does not typically find utility in modern Windows or Linux platforms.

#include <conio.h>

void main()
{
    clrscr();
    gotoxy(10, 20);
    printf("Hello, World!");
    getch();
}

In this code snippet, the `gotoxy` function repositions the cursor to the position denoted by (10, 20) on the console screen. The `printf` function then prints the string “Hello, World!” starting from the point set by the `gotoxy` function.

• The `clrscr()` function is utilized to clear the console screen before we execute the `gotoxy` function.
• The `getch()` function is used to wait for the user to press a keystroke before the program ends.

Working `gotoxy` Equivalent in a Modern Environment

As we’ve noted, `gotoxy` is bound to the older DOS environment and may not function efficiently in current systems. However, there’s no need to worry because we can create an equivalent function to perform the same task in a modern task.

#include <stdio.h>

void SetCursorPosition(int x, int y) 
{
    printf("33[%d;%dH", y, x);
}

void main()
{
    SetCursorPosition(10, 20);
    printf("Hello, World!");
}

Localized within the `SetCursorPosition()` function, `printf(“33[%d;%dH”, y, x);` is an ANSI escape code which is widely supported and performs a similar function to the `gotoxy` in a modern environment. The numbers `y` and `x` specify the coordinates.

This function `SetCursorPosition`, akin to the `gotoxy`, allows you to control the placement accuracy of the output on the console screen demarcated by the (x, y) values. The following `printf` prints the string “Hello, World!” right at those specified coordinates.

The usage of these functionalities can help create visually appealing console outputs and provide direct control over object or text positioning. This is significantly useful in building complex programming projects.

Remembering that each C function and library brings a set of unique advantages to the table, optimizing your usage of these tools can significantly enhance your efficiency, precision, and creativity as a programmer in C.