预处理命令简介7, #line
来源： 网络用户发布，如有版权联系网管删除 2016-07-09
预处理命令简介7, #line #line用来修改__LINE__和__FILE__.
e.g.
printf("line: %d, file: %sn", __LINE__, __FILE__);
#line 100 "haha"
printf("line: %d, file: %sn", __LINE__, __FILE__);
printf("line: %d, file: %sn", __LINE__, __FILE__);
显示:
line: 34, file: 1.c
line: 100, file: haha
line: 101, file: haha
查看评论 回复