<s>
The	O
write	O
is	O
one	O
of	O
the	O
most	O
basic	O
routines	O
provided	O
by	O
a	O
Unix-like	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
kernel	B-Operating_System
.	O
</s>
<s>
It	O
writes	O
data	O
from	O
a	O
buffer	B-General_Concept
declared	O
by	O
the	O
user	O
to	O
a	O
given	O
device	O
,	O
such	O
as	O
a	O
file	O
.	O
</s>
<s>
The	O
destination	O
is	O
identified	O
by	O
a	O
numeric	B-Application
code	I-Application
.	O
</s>
<s>
The	O
file	O
code	O
(	O
file	B-Application
descriptor	I-Application
or	O
fd	O
)	O
.	O
</s>
<s>
The	O
pointer	O
to	O
a	O
buffer	B-General_Concept
where	O
the	O
data	O
is	O
stored	O
(	O
buf	O
)	O
.	O
</s>
<s>
The	O
number	O
of	O
bytes	O
to	O
write	O
from	O
the	O
buffer	B-General_Concept
(	O
nbytes	O
)	O
.	O
</s>
<s>
Argument	O
Description	O
fildes	O
It	O
is	O
the	O
file	B-Application
descriptor	I-Application
which	O
has	O
been	O
obtained	O
from	O
the	O
call	O
to	O
open	O
.	O
</s>
<s>
In	O
above	O
syntax	O
,	O
ssize_t	O
is	O
a	O
typedef	B-Language
.	O
</s>
