basic of getch() and getche() function

getch() function

We use this function for storing a single character value in variable. 

syntex

    

         char ch;

         ch=getch();

int main()

{

    char ch;

    printf("enter value of ch  ");

    ch =getch();

    printf("\n value of ch is \t");

    printf("%c",ch);

}

Input      enter value of ch a 
                  then don't need to hit enter

Output   value of ch is        a

This is simple implementation of getch() function. We can't enter more than one character using getch() function.

Points

1. we don't need to hit enter after input .

getche() function

We use this function for storing a single character value in variable. 

syntex

    

         char ch;

         ch=getche();

int main()

{

    char ch;

    printf("enter value of ch  ");

    ch =getche();

    printf("\n value of ch is \t");

    printf("%c",ch);

}

Input      enter value of ch (input always invisible)
                 then don't need to hit enter

Output   value of ch is        a

This is simple implementation of getche() function. We can't enter more than one character using getche() function.

Points

1. we don't need to hit enter after input .
2.  In case of getche() function we can't see input values

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