# include & ltstdlib.h & gt
void main()
{
文件*in,* out
char ch
if((in=fopen("file1.dat "," r+")= = NULL)
{
printf("打不開這個文件!");
退出(0);
}
if((out=fopen("file2.dat "," w+")= = NULL)
{
printf("打不開這個文件!");
退出(0);
}
而(!英尺(英寸)
{
ch = fgetc(in);
char ch 1 = ch+' A '-' A ';
fputc(ch1,out);//從infile中取出字符,並將它們放入outfile文件中。
}
而(!feof(out))
{
ch = fgetc(out);
putchar(ch);
out++;
}
fclose(in);
fclose(out);
}