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(5) for descriptions of the  following  attri-
     butes:

     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | MT-Level                    | MT-Safe                     |
    |_____________________________|_____________________________|


SEE ALSO

     attributes(5)


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