Add container_of() macro
This will allow to get the parent of an embedded struct.
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@ -8,4 +8,7 @@
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#define MIN(X,Y) (X) < (Y) ? (X) : (Y)
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#define MIN(X,Y) (X) < (Y) ? (X) : (Y)
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#define MAX(X,Y) (X) > (Y) ? (X) : (Y)
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#define MAX(X,Y) (X) > (Y) ? (X) : (Y)
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#define container_of(ptr, type, member) \
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((type *) (((char *) (ptr)) - offsetof(type, member)))
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#endif
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#endif
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