#ifndef BSD_SYS_TIME_TIMERISSET_H #define BSD_SYS_TIME_TIMERISSET_H #include <sys/time.h> /* struct timeval timerisset */ #if !defined timerisset #define timerisset(a) ((a)->tv_sec || (b)->tv_usec) #endif #endif /* BSD_SYS_TIME_TIMERISSET_H */