#include〈stdio。h>#include#include #include〈stdlib.h〉#include〈direct.h〉#include#include 〈errno。h>/********************************************************************************作者 : 万水千山总是情QQ : 824955445时间 : 2014/4/29功能:: 模拟自动取款机test : 结构体的运用,文件的读取和写入操作备注: 尽量考虑到了各种错误,但是一定有所疏忽,对于错误的处理并不是都感到满意。因为只是模拟对于某些输入内容没有过于严格的进行检验.临时:实现功能如下:1。用户帐号注册和登录2.取款,存款,转账,更改密码,余额查询.以后有时间或者有兴趣会增加其他功能的,比如帐号注销,超级管理员之类的。**********************************************************************************/#define AC_USER_NAME_MIN 6#define AC_PASSWD_MIN 6#define ILLEAGUE_CHAR 0#define TIME_OUT -5#define PASSWD_WRONG —6#define LOAD_SUCCESSFUL -7#define CREAT_S -9#define CREAT_F —10#define LEAGUE_CHAR -11#define UNKNOW -12#define AC_USER_NAME_MAX 15#define USER_NAME_MAX 12#define AC_PASSWD_MAX 12char root_path[255]="D:\\bank_systems\\";//根目录char auth[255]="D:\\bank_systems\\”;int users_sum=0;struct s_user{char name[USER_NAME_MAX];char account_name [AC_USER_NAME_MAX];char account_passwd [AC_PASSWD_MAX];char balance[10];char tel[12];char auth_flag;};struct s_user g_user;void read_file(FILE *fp,char *read_path,char *des,char *error,char exit_flag){int i=0;fp=NULL;if((fp=fopen(read_path,”r”))!=NULL){do{des[i]=fgetc(fp);}while(des[i++]!=EOF);des[i—1]=’\0';}else{printf(”%s\n”,error);if(exit_flag==1){exit(1);}}fclose(fp);}void write_file(FILE *fp,char *write_path,char *src,char *error,char exit_flag){fp=NULL;if((fp=fopen(write_path,"w"))!=NULL){fwrite(src,sizeof(char),strlen(src),fp);}else{printf(”%s\n",error);if(exit_flag==1){exit(1);}}fclose(fp);}void dtos(double res,char*...