//
//go:nosplit
//go:linkname syscall_close
func syscall_close(fd int32) int32 {
	return int32(sysvicall1(&libc_close, uintptr(fd)))
}

const _F_DUP2FD = 0x9

//go:nosplit
//go:linkname syscall_dup2
func syscall_dup2(oldfd, newfd uintptr) (val, err uintptr) {
	return syscall_fcntl(oldfd, _F_DUP2FD, newfd)
}

//go:nosplit
//go:linkname syscall_execve
//go:cgo_unsafe_args