The C Programming language Chapter 1 An Overview of C 1.3 The pattern of a C program Exampl 1. 1 the first c program Hello, World! /example1. 1 The first C Program*/ notation include <stdio.h> Include information about standard library main( define a function named main ev)printf("Hello,World!");← statement output: Hello world1.3 The pattern of a C program Exampl 1.1 the first c program Hello,World! /* example1.1 The first C Program*/ #include <stdio.h> main() { printf(“Hello,World!”); } > notation Include information about standard library define a function named main statement output： Hello,World! The C Programming Language Chapter 1 An Overview of C