_IMAGE_THUNK_DATA

headersMetadatacopy
struct _IMAGE_THUNK_DATA {
    union {
        unsigned char* ForwarderString;/* 0x0  4 */
        unsigned long* Function;/* 0x0  4 */
        unsigned long Ordinal;/* 0x0  4 */
        struct _IMAGE_IMPORT_BY_NAME* AddressOfData;/* 0x0  4 */
    } u1;/* 0x0  4 */
};
/* computed from WINNT.H, NT 4.0 SDK */