<s>
vbcc	B-Application
is	O
a	O
portable	O
and	O
retargetable	O
ANSI	O
C	O
compiler	O
.	O
</s>
<s>
It	O
supports	O
C89	O
(	O
ISO/IEC	O
9899:1989	O
)	O
as	O
well	O
as	O
parts	O
of	O
C99	B-Language
(	O
ISO/IEC	B-Language
9899:1999	I-Language
)	O
.	O
</s>
<s>
vbcc	B-Application
provides	O
complete	O
abstraction	O
of	O
host-arithmetic	O
and	O
target-arithmetic	O
.	O
</s>
<s>
It	O
fully	O
supports	O
cross-compiling	B-Application
for	O
8-bit	O
,	O
16-bit	B-Device
,	O
32-bit	O
and	O
64-bit	B-Device
architectures	I-Device
.	O
</s>
<s>
vbcc	B-Application
supports	O
the	O
following	O
backends	O
,	O
with	O
different	O
degrees	O
of	O
maturity	O
:	O
68K	B-Device
,	O
ColdFire	B-Device
,	O
PowerPC	B-Architecture
,	O
6502	B-General_Concept
,	O
VideoCore	B-General_Concept
,	O
80x86	B-Operating_System
(	O
386	O
and	O
above	O
)	O
,	O
Alpha	B-Device
,	O
C16x/ST10	B-Device
,	O
6809/6309/68HC12	O
,	O
and	O
Z-machine	O
.	O
</s>
<s>
The	O
compiler	O
itself	O
can	O
run	O
on	O
all	O
common	O
operating	O
systems	O
,	O
including	O
Windows	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
and	O
Unix/Linux	O
.	O
</s>
<s>
Target-independent	O
optimizations	O
supported	O
by	O
vbcc	B-Application
include	O
:	O
</s>
