摘要:
#include int change();int change(int j){ j=0;return(j);}void main(){ int b = change (b); printf("%d",b);} 阅读全文
摘要:
创建储存用户账号密码的文件:void Create_File(){ FILE *fp; if ((fp = fopen("users.txt","rb"))==NULL) /*如果此文件不存在*/ { if ((fp = fopen("... 阅读全文