?? regist.c
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#include "main.h"#define P_MAX 1024int regist(char *name,char *passwd){ FILE *fp; char *p; char buff[P_MAX]; if((p=strchr(name,'\n'))!=NULL) *p='\0'; if((p=strchr(passwd,'\n'))!=NULL) *p='\0'; if((p=strchr(name,':'))!=NULL) { printf("username error!\n"); exit(1); } if((p=strchr(passwd,':'))!=NULL) { printf("password error!\n"); exit(1); } fp=fopen("passwd","r"); if(fp==NULL) { printf("open passwd error!\n"); exit(1); } while((fgets(buff,sizeof(buff),fp))!=NULL) { p=strchr(buff,':'); *p='\0'; if(strcmp(buff,name)==0) { return(-1); } } fclose(fp); fp=fopen("passwd","a"); if(fp==NULL) { printf("open passwd.txt error!\n"); exit(1); } strcpy(buff,name); strcat(buff,":"); strcat(buff,passwd); strcat(buff,"\n"); fputs(buff,fp); fclose(fp); return 0;}?? 快捷鍵說明
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