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#include <stdio.h> int max () { return a>b?a
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It looks for the stdio.h file and effectively copy-pastes it in the place of this #include statements. This file contains so-called function prototypes of functions such as printf(), scanf(), ... so that compiler knows what are their parameters and return values.
#include<stdio.h> int main() { int a = 5; int *ptr ; ptr = &a; *ptr = *ptr * 3; printf("%d", a); return 0; }
Example If we use #include in your c program, it will include stdio.h file into our source program which has the information for all input, output related functions.
include"stdio.h"和include区别 creq35640 于 2011-07-12 00:13:07 发布 阅读量2.2k 收藏 1 点赞数
The printf statement then outputs the values of a, b, and max, resulting in "4 7 7". However, the post increment operator a++ is only executed if the condition a > b is true.
The printf() is a library function to send formatted output to the screen. The function prints the string inside quotations. To use printf() in our program, we need to include stdio.h header file using the #include statement. The return 0; statement inside the main() function is the "Exit status" of the program. It's optional.
The #include is read by the preprocessor and instructs it to insert the contents of a user-defined or system header file into our C program. These files are mainly imported from outside header files. #include is a way of including a standard or user-defined file in the program and is mostly written at the beginning of any C program.
C code examples for beginners: printing text, reading integers, and adding numbers. Learn basic C programming concepts. Input/output, integer addition.
C Programming questions and answers section on "C Preprocessor Find Output of Program" for placement interviews and competitive exams: Fully solved C Programming problems with detailed answer descriptions and explanations are given for the "C Preprocessor Find Output of Program" section.
文章浏览阅读6.7w次，点赞192次，收藏440次。C语言头文件完全解析引言本文将尽量详细的介绍c语言的头文件所包含的知识，如有错误，还望指正。萌新们肯定疑惑为什么每次打代码都要写一个所谓的头文件（如：#include），这里先简单让大家有个了解，你所用的 printf ("%d",a)就是这个 stdio里的 ...