Use of getchar() function in C

Function:getchar()
getchar() is used to get or read the input (i.e a single character) at run time.

Library:


Declaration:
int getchar(void);

Example Declaration:
char ch;
ch = getchar();

Return Value:
This function return the character read from the keyboard.

Example Program:
void main()
{
char ch;
ch = getchar();
printf("Input Char Is :%c",ch);
}
Program Explanation:
Here,declare the variable ch as char data type, and then get a value through getchar() library function and store it in the variable ch.And then,print the value of variable ch.
During the program execution, a single character is get or read through the getchar(). The given value is displayed on the screen and the compiler wait for another character to be typed. If you press the enter key/any other characters and then only the given character is printed through the printf function.