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string/strcpy.3 Libc-763.13 Libc-262
--- Libc/Libc-763.13/string/strcpy.3
+++ Libc/Libc-262/string/strcpy.3
@@ -13,6 +13,10 @@
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
 .\" 4. Neither the name of the University nor the names of its contributors
 .\"    may be used to endorse or promote products derived from this software
 .\"    without specific prior written permission.
@@ -30,82 +34,53 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)strcpy.3	8.1 (Berkeley) 6/4/93
-.\" $FreeBSD: src/lib/libc/string/strcpy.3,v 1.28 2009/04/07 13:42:53 trasz Exp $
+.\" $FreeBSD: src/lib/libc/string/strcpy.3,v 1.11 2001/10/01 16:09:00 ru Exp $
 .\"
-.Dd February 28, 2009
+.Dd August 9, 2001
 .Dt STRCPY 3
 .Os
 .Sh NAME
-.Nm stpcpy, stpncpy, strcpy , strncpy
+.Nm strcpy , strncpy
 .Nd copy strings
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
 .In string.h
 .Ft char *
-.Fo stpcpy
-.Fa "char *s1"
-.Fa "const char *s2"
-.Fc
+.Fn strcpy "char *dst" "const char *src"
 .Ft char *
-.Fo stpncpy
-.Fa "char *restrict s1"
-.Fa "const char *restrict s2"
-.Fa "size_t n"
-.Fc
-.Ft char *
-.Fo strcpy
-.Fa "char *restrict s1"
-.Fa "const char *restrict s2"
-.Fc
-.Ft char *
-.Fo strncpy
-.Fa "char *restrict s1"
-.Fa "const char *restrict s2"
-.Fa "size_t n"
-.Fc
+.Fn strncpy "char *dst" "const char *src" "size_t len"
 .Sh DESCRIPTION
 The
-.Fn stpcpy
-and
 .Fn strcpy
-functions
-copy the string
-.Fa s2
+function
+copies the string
+.Fa src
 to
-.Fa s1
+.Fa dst
 (including the terminating
 .Ql \e0
 character).
 .Pp
 The
-.Fn stpncpy
-and
 .Fn strncpy
-functions copy at most
-.Fa n
+function copies not more than
+.Fa len
 characters from
-.Fa s2
+.Fa src
 into
-.Fa s1 .
-If
-.Fa s2
+.Fa dst ,
+appending
+.Ql \e0
+characters if
+.Fa src
 is less than
-.Fa n
-characters long,
-the remainder of
-.Fa s1
-is filled with
-.Ql \e0
-characters.
-Otherwise,
-.Fa s1
-is
+.Fa len
+characters long, and
 .Em not
-terminated.
-.Pp
-The source and destination strings should not overlap, as the
-behavior is undefined.
+terminating
+.Fa dst
+otherwise.
 .Sh RETURN VALUES
 The
 .Fn strcpy
@@ -113,24 +88,7 @@
 .Fn strncpy
 functions
 return
-.Fa s1 .
-The
-.Fn stpcpy
-and
-.Fn stpncpy
-functions return a pointer to the terminating
-.Ql \e0
-character of
-.Fa s1 .
-If
-.Fn stpncpy
-does not terminate
-.Fa s1
-with a
-.Dv NUL
-character, it instead returns a pointer to
-.Li s1[n]
-(which does not necessarily refer to a valid memory location.)
+.Fa dst .
 .Sh EXAMPLES
 The following sets
 .Va chararray
@@ -156,9 +114,9 @@
 .Em not
 .Tn NUL
 terminate
-.Va chararray ,
+.Va chararray
 because the length of the source string is greater than or equal
-to the length argument.
+to the length parameter.
 .Pp
 The following copies as many characters from
 .Va input
@@ -186,33 +144,17 @@
 as shown in the following example:
 .Pp
 .Dl "(void)strlcpy(buf, input, sizeof(buf));"
-.Sh SECURITY CONSIDERATIONS
-The
-.Fn strcpy ,
-.Fn strncpy ,
-.Fn stpcpy ,
-and
-.Fn stpncpy
-functions are easily misused in a manner which enables malicious users
-to arbitrarily change a running program's functionality through a
-buffer overflow attack.
-(See
-the FSA
-and
-.Sx EXAMPLES . )
 .Pp
-It is recommended that
+Note that because
 .Xr strlcpy 3
-be used instead as a way to avoid such problems.
-.Xr strlcpy 3
-is not defined in any standards, but it has been adopted by most major libc implementations.
+is not defined in any standards, it should
+only be used when portability is not a concern.
 .Sh SEE ALSO
 .Xr bcopy 3 ,
 .Xr memccpy 3 ,
 .Xr memcpy 3 ,
 .Xr memmove 3 ,
-.Xr strlcpy 3 ,
-.Xr wcscpy 3
+.Xr strlcpy 3
 .Sh STANDARDS
 The
 .Fn strcpy
@@ -221,18 +163,3 @@
 functions
 conform to
 .St -isoC .
-The
-.Fn stpcpy
-and
-.Fn stpncpy
-functions conform to
-.St -p1003.1-2008 .
-.Sh HISTORY
-The
-.Fn stpcpy
-function first appeared in
-.Fx 4.4 ,
-and
-.Fn stpncpy
-was added in
-.Fx 8.0 .