24_set_b100w_bitfield_7.c [plain text]
typedef struct
{
unsigned short b0:1;
unsigned short b1:1;
unsigned short b2:1;
unsigned short b3:1;
unsigned short b4:1;
unsigned short b5:1;
unsigned short b6:1;
unsigned short b7:1;
unsigned short b8:1;
unsigned short b9:1;
unsigned short b10:1;
unsigned short b11:1;
unsigned short b12:1;
unsigned short b13:1;
unsigned short b14:1;
unsigned short b15:1;
} BitField;
char acDummy[0xf0] __attribute__ ((__BELOW100__));
BitField B100 __attribute__ ((__BELOW100__)) =
{
0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0};
unsigned short *p = (unsigned short *) &B100;
void
Do (void)
{
B100.b7 = 1;
}
int
main (void)
{
Do ();
return (*p == 0x12b4) ? 0 : 1;
}