IMAGE_OPTIONAL_HEADER64_dw
IMAGE_OPTIONAL_HEADER64_dw OptionalHeader;
IMAGE_OPTIONAL_HEADER64_dw hdr;
pep->pe_optional_header_size = sizeof(IMAGE_OPTIONAL_HEADER64_dw);
(off_t)offset, sizeof(IMAGE_OPTIONAL_HEADER64_dw),
pep->pe_optional_header_size = sizeof(IMAGE_OPTIONAL_HEADER64_dw);