DATA  ·kcon+0x160(SB)/8, $0x5cb0a9dc5cb0a9dc
DATA  ·kcon+0x168(SB)/8, $0x5cb0a9dc5cb0a9dc
DATA  ·kcon+0x170(SB)/8, $0x76f988da76f988da
DATA  ·kcon+0x178(SB)/8, $0x76f988da76f988da
DATA  ·kcon+0x180(SB)/8, $0x983e5152983e5152
DATA  ·kcon+0x188(SB)/8, $0x983e5152983e5152
DATA  ·kcon+0x190(SB)/8, $0xa831c66da831c66d
DATA  ·kcon+0x198(SB)/8, $0xa831c66da831c66d
DATA  ·kcon+0x1A0(SB)/8, $0xb00327c8b00327c8

DATA K256<>+0x16c(SB)/4, $0x106aa070
DATA K256<>+0x170(SB)/4, $0xd192e819
DATA K256<>+0x174(SB)/4, $0xd6990624
DATA K256<>+0x178(SB)/4, $0xf40e3585
DATA K256<>+0x17c(SB)/4, $0x106aa070

DATA K256<>+0x180(SB)/4, $0x19a4c116
DATA K256<>+0x184(SB)/4, $0x1e376c08
DATA K256<>+0x188(SB)/4, $0x2748774c
DATA K256<>+0x18c(SB)/4, $0x34b0bcb5
DATA K256<>+0x190(SB)/4, $0x19a4c116
DATA K256<>+0x194(SB)/4, $0x1e376c08

		237-238,251-252,259-260,267-268,275-276,283-284
		Socket1:
		3-4,11-12,15-16,23-24,27-28,35-36,40-41,48-49,51-52,59-60,65-66,73-74,81-82,89-90,97-98,111-112,119-120,125-126,
		133-134,141-142,149-150,157-158,171-172,179-180,185-186,193-194,201-202,209-210,217-218,231-232,239-240,245-246,
		253-254,261-262,269-270,277-278
		Socket2:
		5-6,17-18,29-30,42-43,53-54,61-62,67-68,75-76,83-84,91-92,99-100,105-106,113-114,121-122,127-128,135-136,

		"http",
		"https",
		"mailto",
		"nntp":
		return true
	}
	return false
}

// isHost reports whether c is a byte that can appear in a URL host,
// like www.example.com or user@[::1]:8080
func isHost(c byte) bool {
	// mask is a 128-bit bitmap with 1s for allowed bytes,
	// so that the byte c can be tested with a shift and an and.
	// If c > 128, then 1<<c and 1<<(c-64) will both be zero,