Getch () and GetChar () in C language

Source: Internet
Author: User

Getch () ():

The header file: conio.h

function Purpose: Read a character from the console, but not on the screen

For example:

char ch; or int ch;

Getch () (); or Ch=getch () ();

Use Getch (), wait for you to press any key, then continue to execute the following statement;

With Ch=getch (), wait for you to press any key, assign the ASCII code corresponding to the key character to CH, and then execute the following statement.

GetChar () ():

The function is declared in the stdio.h header file and is used to include the stdio.h header file. Such as:

#include

int GetChar () (void);

Getch and GetChar () have the same basic functionality, the difference is getch directly from the keyboard to get the key value, wait for the user to press ENTER, as long as the user presses a key, Getch immediately return, Getch return value is the user entered the ASCII code, error return-1. The characters you enter do not echo back to the screen. Getch functions are often used in program debugging, when debugging, display the relevant results in a critical position for viewing, and then suspend the program with the Getch function, and the program continues to run when you press any key.

Related Article

E-Commerce Solutions

Leverage the same tools powering the Alibaba Ecosystem

Learn more >

Apsara Conference 2019

The Rise of Data Intelligence, September 25th - 27th, Hangzhou, China

Learn more >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.