const golang.org/x/sys/unix.SYS_READV

2 uses

	golang.org/x/sys/unix (current package)
		zsyscall_linux.go#L1766: 	r0, _, e1 := Syscall(SYS_READV, uintptr(fd), uintptr(_p0), uintptr(len(iovs)))
		zsysnum_linux_amd64.go#L29: 	SYS_READV                   = 19