C语言读取txt文件实例

 1 #include <stdio.h>
 2 #include <stdlib.h>
 3 #include <string.h>
 4 #define MAX_LINE 1024
 5 int main()
 6 {
 7  char buf[MAX_LINE];  /*缓冲区*/
 8  FILE *fp;            /*文件指针*/
 9  int len;             /*行字符个数*/
10  if((fp = fopen("test.txt","r")) == NULL)
11  {
12  perror("fail to read");
13  exit (1) ;
14  }
15  while(fgets(buf,MAX_LINE,fp) != NULL)
16  {
17  len = strlen(buf);
18  buf[len-1] = ‘\0‘;  /*去掉换行符*/
19  printf("%s %d \n",buf,len - 1);
20  }
21   return 0;
22 }