ITM_SPEC_3_32_BIG_ENDIAN
itm_header->spec[3] = ITM_SPEC_3_32_BIG_ENDIAN;
((itm_hdr->spec[3] != ITM_SPEC_3_32_BIG_ENDIAN) &&
(itm_hdr->spec[3] != ITM_SPEC_3_32_BIG_ENDIAN)) {
((hdr->spec[3] != ITM_SPEC_3_32_BIG_ENDIAN) &&
(hdr->spec[3] != ITM_SPEC_3_32_BIG_ENDIAN) ||