INTERVIEW QUESTIONS C++ C++ BASICS DETAILS

Question: What is the return value for getch()?

Answer: getch() function is specified in Conio.h header file, and gets a character from the keyboard.<br>Its prototype is:<br> int getch(void);<br><br>It obtains a character from stdin. Input is unbuffered, and this routine will return as soon as a character is available without waiting for a carriage return. The character is not echoed to stdout.

getch() function is specified in Conio.h header file, and gets a character from the keyboard.<br>Its prototype is:<br> int getch(void);<br><br>It obtains a character from stdin. Input is unbuffered, and this routine will return as soon as a character is available without waiting for a carriage return. The character is not echoed to stdout. Source: CoolInterview.com

The Return value of getch as boolean value.that is True/false.The getch is get the char means it return value as True otherwise it False. Source: CoolInterview.com

getch()it return the ascii value of the character it depends the specifire.<br>ex..<br><br>void main()<br>{<br> printf("%d",getch());<br>} Source: CoolInterview.com

It returns a function output. Source: CoolInterview.com

getch() returns a single-byte character or a KEY_ value or ERR. Source: CoolInterview.com

Getch returns the character read.There is no error return. Source: CoolInterview.com

it returns the character u read. Source: CoolInterview.com

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