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HEAD
BSD 3 development
[unix-history]
/
usr
/
src
/
libc
/
gen
/
strcatn.c
/*
* Concatenate s2 on the end of s1. S1's space must be large enough.
* At most n characters are moved.
* Return s1.
*/
char
*
strcatn
(
s1
,
s2
,
n
)
register
char
*
s1
, *
s2
;
register
n
;
{
register
char
*
os1
;
os1
=
s1
;
while
(*
s1
++)
;
--
s1
;
while
(*
s1
++ = *
s2
++)
if
(--
n
<
0
) {
*--
s1
=
'\0'
;
break
;
}
return
(
os1
);
}