"syscall"
)

//extern getsystemcfg
func gccgoGetsystemcfg(label uint32) (r uint64)

func callgetsystemcfg(label int) (r1 uintptr, e1 syscall.Errno) {
	r1 = uintptr(gccgoGetsystemcfg(uint32(label)))
	e1 = syscall.GetErrno()
	return

package unix

import "syscall"

//extern gettimeofday
func realGettimeofday(*Timeval, *byte) int32

func gettimeofday(tv *Timeval) (err syscall.Errno) {
	r := realGettimeofday(tv, nil)
	if r < 0 {
		return syscall.GetErrno()
	}
	return 0