1 #ifdef SYS_ENDIAN 2 #include <sys/endian.h> 3 #else 4 #include <endian.h> 5 #endif 6 7 int 8 main(void) 9 { 10 return htobe32(be32toh(0x3a7d0cdb)) != 0x3a7d0cdb; 11 } 12