install go2rtc on bob

installs_on_host/go2rtc/pkg/ioctl/ioctl.go

@@ -0,0 +1,28 @@
+package ioctl
+
+import (
+	"bytes"
+)
+
+func Str(b []byte) string {
+	if i := bytes.IndexByte(b, 0); i >= 0 {
+		return string(b[:i])
+	}
+	return string(b)
+}
+
+func io(mode byte, type_ byte, number byte, size uint16) uintptr {
+	return uintptr(mode)<<30 | uintptr(size)<<16 | uintptr(type_)<<8 | uintptr(number)
+}
+
+func IOR(type_ byte, number byte, size uint16) uintptr {
+	return io(read, type_, number, size)
+}
+
+func IOW(type_ byte, number byte, size uint16) uintptr {
+	return io(write, type_, number, size)
+}
+
+func IORW(type_ byte, number byte, size uint16) uintptr {
+	return io(read|write, type_, number, size)
+}