include include struct student/*定义结构体类型 student及数且s* char number 6 char name[201

#include maino FILE ip nar str[11]; if(fp= fopen(\e: Mname. txt\,\r\)==NULL)以只读方式打开 name. txt文件* printf\hn无法打开文件 name txt!m\)

第十章文件 一、C文件概述 二、文件类型指针 三、文件的打开与关闭 四、文件的读写 五、文件的定位 六、出错的检测

*极限俱乐部会员信息系统* #include \stdio h\ #include \string. h #define Len sizeof (struct staff) /自动求取staf结构的字节长度* struct staft char unit[601 char name[20]

#include #include void main( void char ch, filename[ 40], mode [4] *输入文件名和模式* printf(\hn请输入一个文件名:\

void swap(int*a, int*b) int x, y, printf(℃\请输入两个整数ⅹ和y:\) scanf(\%od%d\, &x, &y) printf\交换前x和y的值为:\) printf(x=%dy=%d\\n\x, y);

#include int abs sum(int m, int n) Int x,y, z,sum printf(“请输入三个整数:”) scanf(\%d%d%d\, &x, &y, &z)

TURBO HELP UTILITY This file explains how to use THELP. COM. THELP isa memory-resident utility that provides online help for Turbo Pascal and Turbo C. If you are using Turbo Debugger, for example, you can load THELP, then run the debugger and get

#include printf(“请输入一个整数:”) scanf(\%d\, &x) printf(“调用函数前:x=%dn”x) opposition(x); 体*调用函数 oppsition求相反数

#include *定义无参函数,称为函数头* *函数体开始* /*函数体结束*