#include void maino FILE ip char ch, str[20] if(fp= fopen(\e: Mname. txt\,\a+\)=NULL)/*以读取/追加方式打开文件name:txt* printf(\无法打开文件

#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\)

#include maino int x=5, y=0, Z=6, result printf(\&&y&&z=%d\\n\,result result=x-3y‖z*5; printf(\x-3 yz*=%d\\n\, result)

#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:\

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

#defineS sum(int arr[, int); printf(\请输入%d个整数:n\,N), for(i=0; i