Reading a single character in C

Question

I\'m trying to read a character from the console (inside a while loop). But it reads more than once.

Input:

a

Output:

Answer 1

you can do like this.

char *ar;
int i=0;
char c;
while((c=getchar()!=EOF)
   ar[i++]=c;
ar[i]='\0';

in this way ,you create a string,but actually it's a char array.