return a != nil && f > Cf2 || a == nil && f < -Cf2
}

func fNeqSliceNeqSlice(a []int, f float64) bool {
	return a != nil && f > Cf2 || a != nil && f < -Cf2 // ERROR "Redirect IsNonNil based on IsNonNil$"
}

func fPhi(a, b string) string {
	aslash := strings.HasSuffix(a, "/") // ERROR "Redirect Phi based on Phi$"
	bslash := strings.HasPrefix(b, "/")
	switch {
	case aslash && bslash:
		return a + b[1:]
	case !aslash && !bslash:

represent netfilter hooks. More detailed versions of this diagram can be seen at
https://en.wikipedia.org/wiki/Netfilter#/media/File:Netfilter-packet-flow.svg and
https://wiki.nftables.org/wiki-nftables/index.php/Netfilter_hooks but note that in the the
standard version of this diagram, the top two boxes are squished together into "local
process" which (a) fails to make a few important distinctions, and (b) makes it look like

	{1.5, 'f', 0, "2"},

	// https://www.exploringbinary.com/java-hangs-when-converting-2-2250738585072012e-308/
	{2.2250738585072012e-308, 'g', -1, "2.2250738585072014e-308"},
	// https://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
	{2.2250738585072011e-308, 'g', -1, "2.225073858507201e-308"},

	// Issue 2625.
	{383260575764816448, 'f', 0, "383260575764816448"},

		gpxchg    = regInfo{inputs: []regMask{gpspsbg, gpg}, outputs: []regMask{gp}}
		gpcas     = regInfo{inputs: []regMask{gpspsbg, gpg, gpg}, outputs: []regMask{gp}}
		gpstore0  = regInfo{inputs: []regMask{gpspsbg}}
		fpgp      = regInfo{inputs: []regMask{fp}, outputs: []regMask{gp}}
		gpfp      = regInfo{inputs: []regMask{gp}, outputs: []regMask{fp}}
		fp01      = regInfo{inputs: nil, outputs: []regMask{fp}}

		{name: "CVTTSD2SL", argLength: 1, reg: fpgp, asm: "CVTTSD2SL"}, // convert float64 to int32
		{name: "CVTTSD2SQ", argLength: 1, reg: fpgp, asm: "CVTTSD2SQ"}, // convert float64 to int64
		{name: "CVTTSS2SL", argLength: 1, reg: fpgp, asm: "CVTTSS2SL"}, // convert float32 to int32
		{name: "CVTTSS2SQ", argLength: 1, reg: fpgp, asm: "CVTTSS2SQ"}, // convert float32 to int64

	SYS_SOCKET               = 394 // { int|sys|30|socket(int domain, int type, int protocol); }
	SYS_GETFH                = 395 // { int|sys|30|getfh(const char *fname, void *fhp, size_t *fh_size); }
	SYS_MOUNT                = 410 // { int|sys|50|mount(const char *type, const char *path, int flags, void *data, size_t data_len); }

	SYS_SOCKET               = 394 // { int|sys|30|socket(int domain, int type, int protocol); }
	SYS_GETFH                = 395 // { int|sys|30|getfh(const char *fname, void *fhp, size_t *fh_size); }
	SYS_MOUNT                = 410 // { int|sys|50|mount(const char *type, const char *path, int flags, void *data, size_t data_len); }

	SYS_SOCKET               = 394 // { int|sys|30|socket(int domain, int type, int protocol); }
	SYS_GETFH                = 395 // { int|sys|30|getfh(const char *fname, void *fhp, size_t *fh_size); }
	SYS_MOUNT                = 410 // { int|sys|50|mount(const char *type, const char *path, int flags, void *data, size_t data_len); }

	return os.Stderr
}

// removeLeadingDuplicates remove leading duplicate in environments.
// It's possible to override environment like following.
//
//	cgi.Handler{
//	  ...
//	  Env: []string{"SCRIPT_FILENAME=foo.php"},
//	}
func removeLeadingDuplicates(env []string) (ret []string) {
	for i, e := range env {
		found := false
		if eq := strings.IndexByte(e, '='); eq != -1 {
			keq := e[:eq+1] // "key="

	SYS_SOCKET               = 394 // { int|sys|30|socket(int domain, int type, int protocol); }
	SYS_GETFH                = 395 // { int|sys|30|getfh(const char *fname, void *fhp, size_t *fh_size); }
	SYS_MOUNT                = 410 // { int|sys|50|mount(const char *type, const char *path, int flags, void *data, size_t data_len); }