.\"	$OpenBSD: strcat.3,v 1.19 2022/08/01 00:04:46 jsg Exp $
.\"
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.\" This code is derived from software contributed to Berkeley by
.\" Chris Torek and the American National Standards Committee X3,
.\" on Information Processing Systems.
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.Dd $Mdocdate: August 1 2022 $
.Dt STRCAT 3
.Os
.Sh NAME
.Nm strcat
.Nd concatenate two strings without bounds checking
.Sh SYNOPSIS
.In string.h
.Ft char *
.Fn strcat "char *dst" "const char *append"
.Sh DESCRIPTION
The
.Fn strcat
function appends a copy of the NUL-terminated string
.Fa append
to the end of the NUL-terminated string
.Fa dst ,
then adds a terminating
.Ql \e0 .
.Pp
No bounds checking is performed.
If the buffer
.Fa dst
is not large enough to hold the result,
subsequent memory will be damaged.
.Sh RETURN VALUES
The
.Fn strcat
function return the pointer
.Fa dst .
.Sh SEE ALSO
.Xr strlcpy 3 ,
.Xr wcscat 3 ,
.Xr wcslcpy 3
.Sh STANDARDS
The
.Fn strcat
function conforms to
.St -ansiC .
.Sh HISTORY
The
.Fn strcat
function first appeared outside of Bell Labs in PWB/UNIX 1.0.