标准IO实现文件拷贝实例二

#include

#define MAX 100

int main(int argc, char *argv[])
{
 char buf[MAX];
 FILE *fpr, *fpw;
 char ch;

 if (argc != 3)
 {
  printf("argument is error\n");
  
  return -1;
 }

 if ((fpr = fopen(argv[1], "r")) == NULL)
 {
  printf("open source is error\n");
  return -1;
 }

// printf("readfile number is %d\n", fpr->_fileno);

 if ((fpw = fopen(argv[2], "w")) == NULL)
 {
  printf("open target is error\n");
  return -1;
 }

 while (fgets(buf, MAX, fpr) != NULL)
 {
  fputs(buf, fpw);
 }

 return 0;
}