read 函数的问题

cheng_lai_shun

当时我们老大叫我们把《华为编程规范》当圣经

zszjxh

偶前天做了个笔试，开始是编程基础，考得是C的细节，比如++i、i++等，感觉自己做的还行。

mymtom

打开编译器的所有警告, 大部分为题都可以解决.
楼主的程序的编译结果:
cc -pedantic -Wall -Wno-long-long -Werror    file_open.c   -o file_open
cc1: warnings being treated as errors
file_open.c:4: warning: second argument of 'main' should be 'char **'
file_open.c: In function 'main':
file_open.c:10: warning: passing argument 1 of 'open' from incompatible pointer type
file_open.c:10: warning: suggest parentheses around assignment used as truth value
file_open.c:15: warning: implicit declaration of function 'read'
file_open.c:22: warning: implicit declaration of function 'close'

24行的程序: 4个警告. :em11: :em11: :em11:

mymtom

file_open.c:10: warning: suggest parentheses around assignment used as truth value
提示的多清楚啊.

Sorehead

愚蠢说不上吧，充分理解了再写就没有关系了。

new_learner

HW编程规范。。。
以前秋季大比武考了好多啊。。。。。