#include <stdio.h>

#if 0


A=0b1010
B=0b1011
C=0b1100
D=0b1101
E=0b1110



A → U+0041
€ → U+20AC
字 → U+5B57
→ U+1F600

/* Example 1 */
U+0041
00000041
0b 01000001
UTF8 = 0x41


U+20AC
UTF32: 0x000020AC
 = 0b 10 000010 101100 
0b 11100010 10000010 10101100
0xE282AC

U+5B57
UTF32 0x00005B57
0b 101 101101 010111

UTF8:
0b 11100101 10101101 10010111
0xE5AD97

U+1F600
UTF32: 0x0001F600
0b   11111 011000 000000
11110000 10011111 10011000 10000000 
0xF09F9880
#endif

int main(int argc, char** argv){

    printf("Example 1: \x41\n");
    printf("Example 2: \xE2\x82\xAC\n");
    printf("Example 3: \xE5\xAD\x97\n");
    printf("Example 4: \xF0\x9F\x98\x80\n");

    return 0;
}