#include<stdio.h>
#include<conio.h>
main()
{
FILE *fp;
char ch;
if((fp=fopen("d:\\good.txt","wt"))==NULL)
{
printf("open failed\n");
exit(0);
}
ch=getchar();
while (ch!='\n')
{
fputc(ch,fp);
ch=getchar();
}
fclose(fp);
printf("do you want to preview your messeage y or n\n");
ch=getchar();
if(ch=='y'||ch=='Y')
{
fopen("d:\\good.txt","rt");
ch=fgetc(fp);
while (ch!=EOF)
{
putchar(ch);
ch=fgetc(fp);
}}
else
exit(0);
printf("\n");
fclose(fp);
getch();
fopen("d:\\good.txt","w");
getch();
fclose(fp);exit(0);
}