CS102A - Lesson 4

Basic Input/Output, Switch, Loops, Basic Arrays, Basic Functions

Instructor: Professor Hong

## Review & Questions

## Quiz #1 * Closed Book * 20 minutes

## Code B Hackathon * Friday 6PM - Saturday 8AM * Prizes!!!

## Basic Input/Output

## getchar * gets **one** character from the command line ``` #include <stdio.h> int main() { char c = getchar(); putchar(c); printf("%c", c); return 0; } ```