Published Book on Amazon
 |
All of IOT Starting with the Latest Raspberry Pi from Beginner to Advanced – Volume 1 |
 |
All of IOT Starting with the Latest Raspberry Pi from Beginner to Advanced – Volume 2 |
출판된 한글판 도서
 |
최신 라즈베리파이(Raspberry Pi)로 시작하는 사물인터넷(IOT)의 모든 것 – 초보에서 고급까지 (상) |
 |
최신 라즈베리파이(Raspberry Pi)로 시작하는 사물인터넷(IOT)의 모든 것 – 초보에서 고급까지 (하) |
Original Book Contents
23.6.2 Writing Program
A typical C program usually has the following format. Header file is specified in the first line of the program. And "main" function corresponds to the body of the program.
| #include <stdio.h>
int main(void) {
} |
Here we will use a simple program that takes number input, calculates it, and then displays the result on the screen. We will write and use the following simple program code.
| #include <stdio.h>
int main(void) { int i = 0; printf("Hello. input your number \n"); fscanf(stdin,"%d", &i); printf("The calculation result is as follows \n"); fprintf(stdout, "%d\n", i * 10);
return 0; } |