[임베디드 C언어_Day1]정수의 승격(Integer Promotion)

#include<stdio.h>
 
int main()
{
    unsigned char  uc = -8;
    signed char sc=-8;
    
    printf("unsigned char : %d\n" , uc);    //248
    printf("signed char : %d\n",sc);        //-8
    
    unsigned int  iuc = -1;
    signed int isc=-1;
    
    printf("unsigned int : %d\n" , iuc);    //-1
    printf("signed int : %d\n",isc);        //-1
 
    short ss = 0x8c;
    signed char sc = 0x8c;
    
    printf("%d\n",(int)ss);                    //140
    printf("%x",(int)sc);                    //ffffff8c
    return 0;  
}