关于"implicit declaration of function 'gettimeofday' is invalid in c99"的解决
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当我们使用
gettimeofday(&time, NULL);时，会出现这样一个WARNING
Implicit declaration of function 'gettimeofday' is invalid in C99
而经过搜索之后发现只需加入
#include <sys/time.h>
这个头文件即可- 关于"implicit declaration of function 'gettimeofday' is invalid in c99"的解决
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