OFFSETOF(3C) Standard C Library Functions OFFSETOF(3C)

NAME

offsetof - offset of structure member

SYNOPSIS

#include <stddef.h>

size_t offsetof(type, member-designator);

DESCRIPTION

The offsetof() macro defined in <stddef.h> expands to an integral
constant expression that has type size_t. The value of this expression is
the offset in bytes to the structure member (designated by member-
designator) from the beginning of its structure (designated by type).

ATTRIBUTES

See attributes(7) for descriptions of the following attributes:


+---------------+-----------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+-----------------+
|MT-Level | MT-Safe |
+---------------+-----------------+

SEE ALSO

attributes(7)


December 29, 1996 OFFSETOF(3C)