while(ch!='\n')吃回车问题!
#include<stdio.h>
main()
{
FILE *fp;
char ch,filename[20];
printf("please input filename\n");
scanf("%s",filename);
if((fp=fopen(filename,"a+"))==NULL)
{
printf("Cannot open file strike any key exit!");
getch();
exit(1);
}
ch=fgetc(fp);
while(ch!=EOF)
{
putchar(ch);
ch=fgetc(fp);
}
printf("\n jia ru:");
ch=getchar();
while (ch!='\n') /*这地方停不下来,该怎么解决*/
{
fputc(ch,fp);
ch=getchar();
}
rewind(fp);
ch=fgetc(fp);
while(ch!=EOF)
{
putchar(ch);
ch=fgetc(fp);
}
printf("\n");
fclose(fp);
}