What does conio mean in C language

conio.h is a console input and output library, mainly used for the interactive operation of console programs in Windows and MS-DOS environments, and provides functions including character reading, echo, console buffer checking, screen clearing, formatting output and cursor positioning.

The meaning of conio.h in c language

conio.h is a standard C library header file that handles console input and output (I/O). It is a platform-specific library in MS-DOS and Microsoft Windows, enabling programs to interact with users through the console.

Function

conio.h provides the following main functions:

• Console input function:

  • getch() : Read a single character from the console without echoing.
  • getche() : Read a single character from the console and echo it to the screen.
  • kbhit() : Check whether there are characters in the console buffer.

• Console output function:

  • clrscr() : Clear the console screen.
  • cprintf() : Sends formatted output to the console.
  • gotoxy() : Sets the console cursor position.

use

To use conio.h, you need to include the header file in your program:

 <code class="c">#include <conio.h></conio.h></code>

Then, the functions provided in the library can be used. For example, to read a single character from the console without echoing, you can use the getch() function:

 <code class="c">char ch = getch();</code>

Notice

conio.h is a non-standard library that is only available on MS-DOS and Microsoft Windows systems. On other systems, this library cannot be used.

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