_IMAGE_NT_HEADERS

headersMetadatacopy
struct _IMAGE_NT_HEADERS {
    unsigned long Signature;/* 0x0  4 */
    struct _IMAGE_FILE_HEADER FileHeader;/* 0x4  20 */
    struct _IMAGE_OPTIONAL_HEADER OptionalHeader;/* 0x18  224 */
};
/* computed from WINNT.H, NT 4.0 SDK */