1 #ifndef LWIP_SYS__TIME_H 2 #define LWIP_SYS__TIME_H 3 4 #include <stdlib.h> /* time_t */ 5 6 struct timeval { 7 time_t tv_sec; /* seconds */ 8 long tv_usec; /* and microseconds */ 9 }; 10 int gettimeofday(struct timeval* tp, void* tzp); 11 12 #endif 13