GNU编码标准

TheGNUCodingStandardswerewrittenbyRichardStallmanandotherGNUProjectvolunteers.TheirpurposeistomaketheGNUsystemclean,consistent,andeasytoinstall.Thisdocumentcanalsobereadasaguidetowritingportable,robustandreliableprograms.ItfocusesonprogramswritteninC,butmanyoftherulesandprinci