mem.3

.fp 5 CW
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.ds ;G \\*(;G\\f\\$1\\$3\\f\\$2
.if !\\$4 .Af \\$2 \\$1 "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"
..
.de aF
.ie \\$3 .ft \\$1
.el \{\
.ds ;G \&
.nr ;G \\n(.f
.Af "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"
\\*(;G
.ft \\n(;G \}
..
.de L
.aF 5 \\n(.f "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
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.de LR
.aF 5 1 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
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.de RL
.aF 1 5 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
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.de EX		\" start example
.ta 1i 2i 3i 4i 5i 6i
.PP
.RS
.PD 0
.ft 5
.nf
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.de EE		\" end example
.fi
.ft
.PD
.RE
.PP
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.TH MEM 3
.SH NAME
mem \- memory buffer routines
.SH SYNOPSIS
.EX
#include <ast.h>

void*   memdup(const void* \fIbuf\fP, size_t \fIn\fP)
void*   memzero(void* \fIbuf\fP, size_t \fIn\fP);
.EE
.SH DESCRIPTION
.L memdup
copies the
.I n
byte buffer
.I buf
to a new location provided by
.IR malloc (3)
and returns a pointer to the new copy.
0 is returned if
.IR malloc (3)
fails.
.PP
.L memzero
sets the first
.I n
bytes in
.I buf
to
.IR 0 .
.SH "SEE ALSO"
.br
.IR str (3),
.IR malloc (3)