_getch takes a character from standard input. Takes value from the console and formats it.ĭescription of the above function of conio.h is given below: It formats strings and displays strings on the console. Following are the functions that are declared in conio.h:Īvoids echo and takes characters directly from the console.Įcho character that is taken from the console. Few of the functions declared in conio.h are taken from Pascal.

Conio.h header file that comes with Borland compiler of turbo C video RAM to perform Output functions. As there exists more than one compiler each compiler has few functions declared in conio.h that differs from other compilers. The functions are declared in conio.h depends on the compiler. conio.h has many inbuilt library functions that are used to perform input and output from a c program. Printf('Square root of %.2f = %.Conio.h is a header file used for functions related to console input/output. Computes the square root of num and stores in root. The function is defined in the math.h header file.

To compute the square root of a number, you can use the sqrt() library function. Suppose, you want to find the square root of a number. And, these library functions help you in that they do the same thing on every computer.Įxample: Square root using sqrt() function With ever-changing real-world needs, your application is expected to work every time, everywhere. You shouldn't worry about creating them once again.

Since the general functions like printing to a screen, calculating the square root, and many more are already written. In the process, they are able to create the most efficient code optimized for maximum performance.ģ. Since, the functions are 'standard library' functions, a dedicated group of developers constantly make them better. The functions are optimized for performance

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