程序代码：

#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
int main ()
{
    FILE *fp;
    char ch;
    if ((fp=fopen("d:\\jrzh\\example\\c1.txt","rt")) == NULL)
    {
        printf("\nCannot open file strike any key exit!");
        getch();  //D:\C编程测试\文件.cpp(9) : error C2065: 'getch' : undeclared identifier
        exit(1);  //D:\C编程测试\文件.cpp(10) : error C2065: 'exit' : undeclared identifier
    }
    ch = fgetc(fp);
    while (ch != EOF)
    {
        putchar(ch);
        ch = fgetc(fp);
    }
    fclose(fp);
  
    return 0;
}