'\" t
.\" Copyright 2017, Michael Kerrisk <mtk.manpages@gmail.com>
.\" Copyright, the authors of the Linux man-pages project
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.TH memset_explicit 3 2026-08-10 "Linux man-pages 6.19"
.SH NAME
memset_explicit \- memory set explicit
.SH LIBRARY
None.
.P
.I It is not yet implemented in glibc.
.SH SYNOPSIS
.nf
.BR #include\~<string.h> "  // see memory.h(3head)"
.P
.BR "void *memset_explicit(" "size_t n;"
.BI "                      void " a [ n "], int " c ", size_t " n );
.fi
.SH DESCRIPTION
This function is similar to
.BR memset (3),
but guarantees that
compiler optimizations will not remove the
erase operation if the compiler deduces that the operation is "unnecessary".
.SH RETURN VALUE
See
.BR memset (3).
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.TS
allbox;
lbx lb lb
l l l.
Interface	Attribute	Value
T{
.na
.nh
.BR memset_explicit ()
T}	Thread safety	MT-Safe
.TE
.SH STANDARDS
C23.
.SH HISTORY
C23.
.SH CAVEATS
See
.BR explicit_bzero (3).
.SH SEE ALSO
.BR bstring (3),
.BR memory.h (3head),
.BR explicit_bzero (3)