mem*.3: stop refering to strings

POSIX and the C standard now refer to objects and sequences rather
than confusingly revering to strings.

Also update bcopy(3) and bzero(3).

Reviewed by:	emaste
Sponsored by:	Innovate UK
Differential Revision:	https://reviews.freebsd.org/D57680

lib/libc/string/bcopy.3

@@ -28,12 +28,12 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd August 24, 2015
+.Dd June 21, 2026
 .Dt BCOPY 3
 .Os
 .Sh NAME
 .Nm bcopy
-.Nd copy byte string
+.Nd copy bytes in memory
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
@@ -46,11 +46,11 @@ The
 function
 copies
 .Fa len
-bytes from string
+bytes from object
 .Fa src
-to string
+to object
 .Fa dst .
-The two strings may overlap.
+The two objects may overlap.
 If
 .Fa len
 is zero, no bytes are copied.

lib/libc/string/bzero.3

@@ -28,13 +28,13 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd August 24, 2015
+.Dd June 21, 2026
 .Dt BZERO 3
 .Os
 .Sh NAME
 .Nm bzero ,
 .Nm explicit_bzero
-.Nd write zeroes to a byte string
+.Nd write zeroes to memory
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
@@ -49,7 +49,7 @@ The
 function
 writes
 .Fa len
-zero bytes to the string
+zero bytes to the object
 .Fa b .
 If
 .Fa len

lib/libc/string/memccpy.3

@@ -25,12 +25,12 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd December 5, 2023
+.Dd June 21, 2026
 .Dt MEMCCPY 3
 .Os
 .Sh NAME
 .Nm memccpy
-.Nd copy string until character found
+.Nd copy bytes until character found
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
@@ -46,19 +46,19 @@
 The
 .Fn memccpy
 function
-copies bytes from string
+copies bytes from object
 .Fa src
-to string
+to object
 .Fa dst .
 If the character
 .Fa c
 (as converted to an
 .Vt "unsigned char" )
-occurs in the string
+occurs in the object
 .Fa src ,
 the copy stops and a pointer to the byte after the copy of
 .Fa c
-in the string
+in the object
 .Fa dst
 is returned.
 Otherwise,

lib/libc/string/memcpy.3

@@ -29,12 +29,12 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd November 18, 2023
+.Dd June 21, 2026
 .Dt MEMCPY 3
 .Os
 .Sh NAME
 .Nm memcpy
-.Nd copy byte string
+.Nd copy bytes in memory
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
@@ -51,9 +51,9 @@ and
 functions
 copy
 .Fa len
-bytes from string
+bytes from object
 .Fa src
-to string
+to object
 .Fa dst .
 If
 .Fa src

lib/libc/string/memmem.3

@@ -24,12 +24,12 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd June 29, 2023
+.Dd June 21, 2026
 .Dt MEMMEM 3
 .Os
 .Sh NAME
 .Nm memmem
-.Nd "locate a byte substring in a byte string"
+.Nd "locate a byte subsequence in a byte sequence"
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
@@ -43,9 +43,9 @@
 The
 .Fn memmem
 function
-locates the first occurrence of the byte string
+locates the first occurrence of the byte sequence
 .Fa little
-in the byte string
+in the byte sequence
 .Fa big .
 .Sh RETURN VALUES
 If

lib/libc/string/memmove.3

@@ -29,12 +29,12 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd June 4, 1993
+.Dd June 21, 2026
 .Dt MEMMOVE 3
 .Os
 .Sh NAME
 .Nm memmove
-.Nd copy byte string
+.Nd copy bytes in memory
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
@@ -47,11 +47,11 @@ The
 function
 copies
 .Fa len
-bytes from string
+bytes from object
 .Fa src
-to string
+to object
 .Fa dst .
-The two strings may overlap;
+The two objects may overlap;
 the copy is always done in a non-destructive manner.
 .Sh RETURN VALUES
 The

lib/libc/string/memset.3

@@ -29,12 +29,12 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd October 24, 2024
+.Dd June 21, 2026
 .Dt MEMSET 3
 .Os
 .Sh NAME
 .Nm memset
-.Nd write a byte to byte string
+.Nd set bytes in memory
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
@@ -56,7 +56,7 @@ bytes of value
 .Fa c
 (converted to an
 .Vt "unsigned char" )
-to the string
+to the object
 .Fa dest .
 Undefined behaviour from
 .Fn memset ,