英语翻译
Youcanpassastructureasanargument.Youcanmodifyamemberofthestructurebypassingthestructureofanargument.Thechangesinthemembermadebythefunctionareretainedinthecalledmodule.Thisisnotagainsttheprincipleofcallbyvaluebecauseyouarenotmodifyingthestructurevariable,butareinsteadmodifyingthemembersofthestructure.