getch Function in c

What is getch() in C?

getch is a non-standard pre-defined function in C. It is mostly used in MS-DOS compilers. Its function is to hold the screen until the user passes a single value to exit from the console screen.

It is defined in conio.h header file. It has no buffer to the area to store the input character in a program. It is mainly used to hide the input characters provided by the user in ATM PIN, password, etc…

---

Prototype

int getch(void);

Return Value

It returns the ASCII value of the key pressed by the user. The entered key does not show up on console.

---

Example

// C program to illustrate getch()
#include<stdio.h>
#include<conio.h>
int main()
{
  printf("Press any key to exit \n");
  getch();
  return 0;
}

Output

---

People Also Ask

---