The stream.getline$($char array$[],$ int size, char delimitChar$)$ function reads data to array. It stops reading characters when the delimiter character or end$-$of$-$file mark is encountered, or when the size $-1$ number of characters are read.

The stream.getline$()$ function returns a string

The stream.put$($ch$)$ function writes one character.

The stream.get$()$ function reads one character.