来自曹世华的问题
【那个r,a+等等是什么啊!55.要打开文件c:usertext.txt用于追加数据,正确的语句是().A:fp=fopen("c:turboc2abc.txt","r");B:fp=fopen("c:turboc2abc.txt","r");C:fp=fopen("c:turboc2abc.txt","a+");D:fp=fopen("c:turboc2abc.txt"】
那个r,a+等等是什么啊!
55.要打开文件c:usertext.txt用于追加数据,正确的语句是().
A:fp=fopen("c:turboc2abc.txt","r");
B:fp=fopen("c:turboc2abc.txt","r");
C:fp=fopen("c:turboc2abc.txt","a+");
D:fp=fopen("c:turboc2abc.txt","a+");
