一些用于电话管理的pc机下位机程序

				Warning[2068] C:\MCC18\example\C6585\PWM.c 30 : obsolete use of implicit 'int' detected
				Error[1157] C:\MCC18\example\C6585\PWM.c 30 : function 'main' should be declared as 'void main (void)'
				Warning[2058] C:\MCC18\example\C6585\PWM.c 32 : call of function without prototype