#include #include #include int getrusage(int who, struct rusage* r_usage) { if (who != RUSAGE_CHILDREN && who != RUSAGE_SELF) { errno = EINVAL; return -1; } r_usage->ru_stime.tv_sec = 0; r_usage->ru_stime.tv_usec = 0; r_usage->ru_utime.tv_sec = 0; r_usage->ru_utime.tv_usec = 0; return 0; }