a bug related with extern

in file  a.c

unsigned int my_length = 0x12345678;

**********************************************

int file main.c

extern unsigned short my_length;

int main()

{

printf("0x%x\n", my_length);

}

int my pc which is little endian.

it prints 0x5678.

int power pc, which is big endian. it will print 0x1234;