Fields
tag_index: u32,
The symbol-table index of sym2, the symbol to be linked if sym1 is not found.
flag: WeakExternalFlag,
A value of IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY indicates that no library search for sym1 should be performed. A value of IMAGE_WEAK_EXTERN_SEARCH_LIBRARY indicates that a library search for sym1 should be performed. A value of IMAGE_WEAK_EXTERN_SEARCH_ALIAS indicates that sym1 is an alias for sym2.
unused: [10]u8,