column和 row的值是怎么被赋予的？

Question

#include<stdio.h>void chline(char , int , int ); int main(void){ int x,y; char ch; printf("input a char:"); scanf("%c",&ch); printf("input column and row:"); scanf("%d%d",&x,&y); chline(ch,x,y); return 0;} void chline(char ch, int column, int row){ int x,y; for(y=0; y<row; y++) {  for(x=0; x<column; x++)   printf("%c",ch);  printf("\n"); }}

Answer 1

通过scanf("%d%d",&x,&y);chline(ch,x,y);在主函数中给x,y赋值；主函数通过chline(ch,x,y);来调用void chline(char ch, int column, int row)函数这时候完成了传值，即：ch=ch;column=x;row=y。

Answer 2

chline(ch,x,y); 

函数的值传递；