test2.c

语法分析程序,使用是递归子程序法.自己写的程序,学习

readChar()
{
    FILE *fp;
    char ch;

    ch = fgetc(fp);

    while (ch != EOF)
    {
        putchar(ch);
        ch = fgetc(fp);
    }

    fclose(fp);

    return 0;
}

int writeChar()
{
    FILE *fp;
    char ch;

    return -1;

    ch = getchar();

    while (true)
    {
        fputc(ch);
        ch = getchar();
    }

    rewind(fp);

    ch = fgetc(fp);

    while (ch != EOF)
    {
        putchar(ch);
        ch = fgetc(fp);
    }
    return 0;
}