conio.h is a C header file used mostly by MS-DOS compilers to provide console input/output.[1] It is not part of the C standard library or ISO C, nor it is defined by POSIX.
Conio.h is a Borland / MS specific header that contained console I/O functionality, and is not part of the standard. Including standard files with.h extension is (still) allowed by some compilers, but is. Im trying to make a program that will accept username and password in c. Im using turbo c ide 3.0 'not dev c'. Here is my code. But the problem is., i want to use. to appear as password character in my codes. But everytime i press enter key, the program consider it as. Dec 07, 2013 Would be nice adding support for OS/2, DOS, and other compilers. It's a good replica of the original conio commands with a few extras to sweeten the deal, and the fat that it's public domain is. These functions are defined in non-standard “conio.h” header file which stands for Console Input/Output. This header file contains functions for console input/output and mostly used in turbo C. Getch in C. Getch is a predefined non-standard function in “conio.h” header. It is used to tell the compiler to wait until the user enters a character. Mar 26, 2011 Free download page for Project hlanguage's conio.h.H Language is a language derived from C And C. It is made to make the programming easy so that any one can do simple tasks with it. Jan 23, 2007 hii guys the dev-c compiler does not support conio.h but i want to use it any way i want to use the functions clrscr and gotoxy. So how do i i.
This header declares several useful library functions for performing 'console input and output' from a program. Most C compilers that target DOS, Windows 3.x, Phar Lap, DOSX, OS/2, or Win32[2] have this header and supply the associated library functions in the default C library. Most C compilers that target UNIX and Linux do not have this header and do not supply the library functions. Some embedded systems or cc65 use a conio-compatible library.[3]
The library functions declared by conio.h vary somewhat from compiler to compiler. As originally implemented in Lattice C, the various functions mapped directly to the first few DOSINT 21H functions. The library supplied with Borland's Turbo C did not use the DOS API but instead accessed video RAM directly for output and used BIOS interrupt calls. This library also has additional functions inspired from the successful Turbo Pascal one.
Compilers that target non-DOS operating systems, such as Linux or OS/2, provide similar solutions; the unix-related curses library is very common here. Another example is SyncTERM's ciolib. The version of conio.h done by DJ Delorie for the GO32 extender is particularly extensive.[4]
Member functions[edit]
kbhit | Determines if a keyboard key was pressed |
cgets | Reads a string directly from the console |
cscanf | Reads formatted values directly from the console |
putch | Writes a character directly to the console |
cputs | Writes a string directly to the console |
cprintf | Formats values and writes them directly to the console |
clrscr | Clears the screen |
getch | Get char entry from the console |
References[edit]
- ^Schildt, Herbert (1995). C: The Complete Reference (3rd ed.). Berkeley, Calif.: Osborne McGraw-Hill. p. 288. ISBN0-07-882101-0.
For DOS-compatible compilers, the direct console I/O functions generally use the CONIO.H header file.
- ^'Console and Port I/O in MSDN'.
- ^'MicroVGA conio Text User Interface Library'.
- ^'DJGPP C Library Reference – conio'.
External links[edit]
- IO FAQ - explanation and suggestions for non-standard console IO
conio.h is a C (programming language) C header file used in old MS-DOS compilers to create text user interfaces. It is not described in The C Programming Language (book) The C Programming Language book, and it is not part of the C standard library, ISO C nor is it required by POSIX.
Ballad zulu cook on download. This header declares several useful library functions for performing 'console input and output' from a program. Most C compilers that target DOS, Windows 3.x, Phar Lap (company) Phar Lap, DOSX, OS/2, or Win32[1] have this header and supply the associated library functions in the default C library. Most C compilers that target UNIX and Linux do not have this header and do not supply the library functions. Some embedded systems are using a conio-compatible library [2].
The library functions declared by conio.h vary somewhat from compiler to compiler. As originally implemented in Lattice C, the various functions mapped directly to the first few DOS int 21h functions. But the library supplied with Borland's Turbo C did not use the DOS API but instead accessed video RAM directly for output and used BIOS interrupt calls; they also have additional functions inspired on the successful Turbo Pascal library.
Compilers that targeted non-DOS operating systems, such as Linux[citation needed], Win32 and OS/2, provided different implementations of these functions.[citation needed] The version done by DJ Delorie for the DJGPP GO32 extender is particularly extensive[3]. Another example is SyncTERM#Libraries SyncTERM's ciolib.
lpc
| int kbhit(void) | Determines if a keyboard key was pressed. |
| int getch(void) | Reads a character directly from the console without buffer, and without echo. |
| int getche(void) | Reads a character directly from the console without buffer, but with echo. |
| int ungetch(int c) | Puts the character c back into the keyboard buffer. |
| char *cgets(char *buffer) | Reads a string directly from the console. |
| int cscanf(char *format, arg0,.. argn) | Reads formatted values directly from the console. |
| int putch(int c) | Writes a character directly to the console. |
| int cputs(const char *string) | Writes a string directly to the console. |
| int cprintf(const char *format, arg0,.. argn) | Formats values and writes them directly to the console. |
Compilers provided later than 1989 have prepended an _ to the names, to comply with the requisites of the ANSI C Standard.
External links[edit]
- IO FAQ - explanation and suggestions for non-standard console IO
Conio.h In Dev C++
References[edit]
Include Conio
- ↑'Console and Port I/O in MSDN'. http://msdn.microsoft.com/en-us/library/7x2hy4cx(VS.71).aspx.
- ↑'MicroVGA conio Text User Interface Library'. http://www.microvga.com/conio-lib.
- ↑'DJGPP C Library Reference - conio'. http://www.delorie.com/djgpp/doc/libc/libc_4.html.