1 int tod_cmp (const struct timeval *a, const struct timeval *b); 2 int tod_lt (const struct timeval *a, const struct timeval *b) ; 3 int tod_gt (const struct timeval *a, const struct timeval *b); 4 int tod_lte (const struct timeval *a, const struct timeval *b); 5 int tod_gte (const struct timeval *a, const struct timeval *b); 6 int tod_eq (const struct timeval *a, const struct timeval *b); 7 void tod_addto (struct timeval *a, const struct timeval *b); 8 void tod_subfrom (struct timeval *a, struct timeval b); 9 void tod_gettime (struct timeval *tp); 10