谁帮看下这2个程序错在哪?帮说明下原因~#include void main(){int a,b,c;scanf("%d,%d",&a,&b);c=max(a,b);printf("max=%d",c);return;}int max(int x,int y);{int z;if (x>y) z=x;else z=y;return(z);错误C:\Tornado\target\proj\Project1\rr.c 1 E