C 语言游戏源代码1、简单的开机密码程序#include "conio
h"#include "string
h"#include "stdio
h"void error(){window(12,10,68,10);textbackground(15);textcolor(132);clrscr();cprintf("file or system error
you can't enter the system
");while(1); /*若有错误不能通过程序*/}void look(){FILE *fauto,*fbak;char *pass="c:\\windows\\password
exe"; /*本程序的位置*/char a[25],ch;char *au="autoexec
bat",*bname="hecfback
^^^"; /*bname 是autoexec
bat 的备份*/setdisk(2); /*set currently disk c:*/chdir("\\"); /*set currently directory \*/fauto=fopen(au,"r+");if (fauto==NULL){fauto=fopen(au,"w+");if (fauto==NULL) error();}fread(a,23,1,fauto); /*读取 autoexec
bat 前 23 各字符*/a[23]='\0';if (strcmp(a,pass)==0) /*若读取的和 pass 指针一样就关闭文件,不然就添加*/fclose(fauto);else{fbak=fopen(bname,"w+");if (fbak==NULL) error();fwrite(pass,23,1,fbak);fputc('