0172-hexa.c (191B)
1 int 2 main(void) 3 { 4 return 0xa == 0xA && 5 0xb == 0xB && 6 0xc == 0xC && 7 0xd == 0xD && 8 0xe == 0xE && 9 0xf == 0xF; 10 }