#include #include void maino FILE* fp long i if(fp=fopen(\e: M\\alphabet txt\, rb\)=NULL printf(\文件打开时出错!in\)

#include void maino FILE'fpl, fp2; fpl= fopen(\e: Aname txt\,\r\),/*只读打开文件 name. txt fp2=fopen(\e: name. bak\, \W\); while( feof(fpl)

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

#include #define null o FILE*fp; float f1 f2f3 if(fp=fopen(\e: paper. dat\, \wb\)NULL) printf\无法打开文件!mn\)

#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\)

*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:\

#include float mul(float a, float b) printf(“请输入两个数:”) scanf(\%f%f\, &x, &y)

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)