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+.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
+.\"
+.\" SPDX-License-Identifier: Linux-man-pages-copyleft
+.\"
+.\" References consulted:
+.\"     Linux libc source code
+.\"     Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
+.\"     386BSD man pages
+.\" Modified 1993-04-12, David Metcalfe
+.\" Modified 1993-07-24, Rik Faith (faith@cs.unc.edu)
+.\" Modified 2002-01-20, Walter Harms
+.TH bstring 3 2024-05-02 "Linux man-pages (unreleased)"
+.SH NAME
+bcmp, bcopy, bzero, memccpy, memchr, memcmp, memcpy, memfrob, memmem,
+memmove, memset \- byte string operations
+.SH LIBRARY
+Standard C library
+.RI ( libc ", " \-lc )
+.SH SYNOPSIS
+.nf
+.B #include <string.h>
+.P
+.BI "int bcmp(const void " s1 [. n "], const void " s2 [. n "], size_t " n );
+.P
+.BI "void bcopy(const void " src [. n "], void " dest [. n "], size_t " n );
+.P
+.BI "void bzero(void " s [. n "], size_t " n );
+.P
+.BI "void *memccpy(void " dest [. n "], const void " src [. n "], int " c ", \
+size_t " n );
+.P
+.BI "void *memchr(const void " s [. n "], int " c ", size_t " n );
+.P
+.BI "int memcmp(const void " s1 [. n "], const void " s2 [. n "], size_t " n );
+.P
+.BI "void *memcpy(void " dest [. n "], const void " src [. n "], size_t " n );
+.P
+.BI "void *memfrob(void " s [. n "], size_t " n );
+.P
+.BI "void *memmem(const void " haystack [. haystacklen "], size_t " haystacklen ,
+.BI "             const void " needle [. needlelen "], size_t " needlelen );
+.P
+.BI "void *memmove(void " dest [. n "], const void " src [. n "], size_t " n );
+.P
+.BI "void *memset(void " s [. n "], int " c ", size_t " n );
+.fi
+.SH DESCRIPTION
+The byte string functions perform operations on strings (byte arrays)
+that are not necessarily null-terminated.
+See the individual man pages
+for descriptions of each function.
+.SH NOTES
+The functions
+.BR bcmp ()
+and
+.BR bcopy ()
+are obsolete.
+Use
+.BR memcmp ()
+and
+.BR memmove ()
+instead.
+.\" The old functions are not even available on some non-GNU/Linux systems.
+.SH SEE ALSO
+.BR bcmp (3),
+.BR bcopy (3),
+.BR bzero (3),
+.BR memccpy (3),
+.BR memchr (3),
+.BR memcmp (3),
+.BR memcpy (3),
+.BR memfrob (3),
+.BR memmem (3),
+.BR memmove (3),
+.BR memset (3),
+.BR string (3)