#include "syslib.h" int sys_sysctl(int proc, int request, int priv, vir_bytes argp) { message m; m.m2_i1 = proc; m.m2_i2 = request; m.m2_i3 = priv; m.m2_p1 = (char *) argp; return _taskcall(SYSTASK, SYS_SYSCTL, &m); }