![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
After executing the program as below, values of variables "h" and "sum" in main function will be( ) unsigned char add ( unsigned char i, int j) { unsigned char sum; sum=i+j; return sum; } void main() { unsigned char h=0,sum=9; h=add(4,1); while(1); }