【入门新手请教】请戳进来》》》

#include <stdio.h>int main(){int max(int x,int y,int z);int a,b,c,d;scanf("%d,%d,%d",&a,&b,&c);d=max(a,b,c);printf("max=%d\n",d);return 0;
}int max(int x,int y,int z);{int max;max=x; if(x>y)max=x;else max=y;if(max>z)return(max);else return(z);getchar();}I