<s>
Gambit	B-Language
,	O
also	O
called	O
Gambit-C	B-Language
,	O
is	O
a	O
programming	O
language	O
,	O
a	O
variant	O
of	O
the	O
language	O
family	O
Lisp	B-Language
,	O
and	O
its	O
variants	O
named	O
Scheme	B-Language
.	O
</s>
<s>
The	O
Gambit	B-Language
implementation	O
consists	O
of	O
a	O
Scheme	B-Language
interpreter	B-Application
,	O
and	O
a	O
compiler	B-Language
which	O
compiles	B-Language
Scheme	B-Language
into	O
the	O
language	O
C	B-Language
,	O
which	O
makes	O
it	O
cross-platform	B-Operating_System
software	I-Operating_System
.	O
</s>
<s>
It	O
conforms	O
to	O
the	O
standards	O
R4RS	B-Language
,	O
R5RS	B-Language
,	O
and	O
Institute	O
of	O
Electrical	O
and	O
Electronics	O
Engineers	O
(	O
IEEE	O
)	O
,	O
and	O
to	O
several	O
Scheme	B-Language
Requests	O
for	O
Implementations	O
(	O
SRFIs	O
)	O
.	O
</s>
<s>
Gambit	B-Language
was	O
released	O
first	O
in	O
1988	O
,	O
and	O
Gambit-C	B-Language
(	O
Gambit	B-Language
with	O
a	O
C	B-Language
backend	O
)	O
was	O
released	O
first	O
in	O
1994	O
.	O
</s>
<s>
They	O
are	O
free	B-License
and	I-License
open-source	I-License
software	I-License
released	O
under	O
a	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
(	O
LGPL	B-Application
)	O
2.1	O
,	O
and	O
Apache	B-Application
License	I-Application
2.0	O
.	O
</s>
<s>
By	O
compiling	B-Language
to	O
an	O
intermediate	B-Application
representation	I-Application
,	O
in	O
this	O
case	O
portable	O
C	B-Language
(	O
as	O
do	O
Chicken	B-Language
,	O
Bigloo	B-General_Concept
and	O
Cyclone	O
)	O
,	O
programs	O
written	O
in	O
Gambit	B-Language
can	O
be	O
compiled	B-Language
for	O
common	O
popular	O
operating	B-General_Concept
systems	I-General_Concept
such	O
as	O
Linux	B-Application
,	O
macOS	B-Application
,	O
other	O
Unix-like	B-Operating_System
systems	I-Operating_System
,	O
and	O
Windows	B-Application
.	O
</s>
<s>
Gerbil	O
scheme	B-Language
is	O
a	O
variant	O
of	O
Scheme	B-Language
implemented	O
on	O
Gambit-C	B-Language
.	O
</s>
<s>
It	O
supports	O
current	O
R*RS	O
standards	O
and	O
common	O
SRFIs	O
and	O
has	O
a	O
state	O
of	O
the	O
art	O
macro	O
and	O
module	B-Architecture
system	I-Architecture
inspired	O
by	O
Racket	B-Operating_System
language	I-Operating_System
.	O
</s>
<s>
Termite	O
Scheme	B-Language
is	O
a	O
variant	O
of	O
Scheme	B-Language
implemented	O
on	O
Gambit-C	B-Language
.	O
Termite	O
is	O
intended	O
for	O
distributed	O
computing	O
,	O
it	O
offers	O
a	O
simple	O
and	O
powerful	O
message	B-Architecture
passing	I-Architecture
model	O
of	O
concurrency	B-Operating_System
,	O
inspired	O
by	O
that	O
of	O
Erlang	B-Operating_System
.	O
</s>
<s>
While	O
the	O
Gambit	B-Language
compiler	B-Language
produces	O
C	B-Language
code	O
only	O
,	O
it	O
has	O
full	O
integration	O
support	O
for	O
C++	B-Language
and	O
Objective-C	B-Language
compilers	B-Language
such	O
as	O
GNU	B-Application
Compiler	I-Application
Collection	I-Application
(	O
GCC	B-Application
)	O
.	O
</s>
<s>
Thus	O
,	O
software	O
written	O
in	O
Gambit-C	B-Language
can	O
contain	O
C++	B-Language
or	O
Objective-C	B-Language
code	O
,	O
and	O
can	O
fully	O
integrate	O
with	O
corresponding	O
libraries	O
.	O
</s>
