'\"macro stdmacro
.if n .pH g3c.offsetof @(#)offsetof	40.2 of 10/10/89
.\" Copyright 1989 AT&T
.nr X
.if \nX=0 .ds x} offsetof 3C "C Programming Language Utilities" "\&"
.if \nX=1 .ds x} offsetof 3C "C Programming Language Utilities"
.if \nX=2 .ds x} offsetof 3C "" "\&"
.if \nX=3 .ds x} offsetof "" "" "\&"
.TH \*(x}
.SH NAME
\f4offsetof\f1 \- offset of structure member
.SH SYNOPSIS
\f4#include <stddef.h>\f1
.PP
\f4size_t offsetof (type, member-designator);\f1
.SH DESCRIPTION
\f4offsetof\fP is a macro defined in \f4stddef.h\fP which expands to an
integral constant expression that has type \f4size_t\fP, the value of which
is the offset in bytes, to the structure member (designated by
\f2member-designator\fP), from the beginning of its structure (designated by
\f2type\fP).
.Ee
