Question

从键盘输入字符，逐个存到磁盘文件test1.txt中，直到输入‘#“为止；然后读入文件test1.txt，在屏幕上输出

C语言题目

Answer 1

#include <stdio.h>

main()
{
FILE* out=fopen("test1.txt","w");
FILE* in;
char c;
printf("Please input your char:\n");
while(scanf("%c",&c)==1)
{
if(c=='#') break;
fprintf(out,"%c",c);
}
fclose(out);
in=fopen("test1.txt","r");
while(fscanf(in,"%c",&c)==1)
{
printf("%c",c);
}
fclose(in);
}