prefix = n.Name[:i+1]
			} else if prefix != n.Name[:i+1] {
				return ""
			}
		}
	}
	return prefix
}

// anonymousStructTypedef reports whether dt is a C typedef for an anonymous
// struct.
func (c *typeConv) anonymousStructTypedef(dt *dwarf.TypedefType) bool {
	st, ok := dt.Type.(*dwarf.StructType)
	return ok && st.StructName == ""
}