00001 hdr[1].offs =
00002 offsetof(segy, tracr);
00003 hdr[2].offs =
00004 offsetof(segy, fldr);
00005 hdr[3].offs =
00006 offsetof(segy, tracf);
00007 hdr[4].offs =
00008 offsetof(segy, ep);
00009 hdr[5].offs =
00010 offsetof(segy, cdp);
00011 hdr[6].offs =
00012 offsetof(segy, cdpt);
00013 hdr[7].offs =
00014 offsetof(segy, trid);
00015 hdr[8].offs =
00016 offsetof(segy, nvs);
00017 hdr[9].offs =
00018 offsetof(segy, nhs);
00019 hdr[10].offs =
00020 offsetof(segy, duse);
00021 hdr[11].offs =
00022 offsetof(segy, offset);
00023 hdr[12].offs =
00024 offsetof(segy, gelev);
00025 hdr[13].offs =
00026 offsetof(segy, selev);
00027 hdr[14].offs =
00028 offsetof(segy, sdepth);
00029 hdr[15].offs =
00030 offsetof(segy, gdel);
00031 hdr[16].offs =
00032 offsetof(segy, sdel);
00033 hdr[17].offs =
00034 offsetof(segy, swdep);
00035 hdr[18].offs =
00036 offsetof(segy, gwdep);
00037 hdr[19].offs =
00038 offsetof(segy, scalel);
00039 hdr[20].offs =
00040 offsetof(segy, scalco);
00041 hdr[21].offs =
00042 offsetof(segy, sx);
00043 hdr[22].offs =
00044 offsetof(segy, sy);
00045 hdr[23].offs =
00046 offsetof(segy, gx);
00047 hdr[24].offs =
00048 offsetof(segy, gy);
00049 hdr[25].offs =
00050 offsetof(segy, counit);
00051 hdr[26].offs =
00052 offsetof(segy, wevel);
00053 hdr[27].offs =
00054 offsetof(segy, swevel);
00055 hdr[28].offs =
00056 offsetof(segy, sut);
00057 hdr[29].offs =
00058 offsetof(segy, gut);
00059 hdr[30].offs =
00060 offsetof(segy, sstat);
00061 hdr[31].offs =
00062 offsetof(segy, gstat);
00063 hdr[32].offs =
00064 offsetof(segy, tstat);
00065 hdr[33].offs =
00066 offsetof(segy, laga);
00067 hdr[34].offs =
00068 offsetof(segy, lagb);
00069 hdr[35].offs =
00070 offsetof(segy, delrt);
00071 hdr[36].offs =
00072 offsetof(segy, muts);
00073 hdr[37].offs =
00074 offsetof(segy, mute);
00075 hdr[38].offs =
00076 offsetof(segy, ns);
00077 hdr[39].offs =
00078 offsetof(segy, dt);
00079 hdr[40].offs =
00080 offsetof(segy, gain);
00081 hdr[41].offs =
00082 offsetof(segy, igc);
00083 hdr[42].offs =
00084 offsetof(segy, igi);
00085 hdr[43].offs =
00086 offsetof(segy, corr);
00087 hdr[44].offs =
00088 offsetof(segy, sfs);
00089 hdr[45].offs =
00090 offsetof(segy, sfe);
00091 hdr[46].offs =
00092 offsetof(segy, slen);
00093 hdr[47].offs =
00094 offsetof(segy, styp);
00095 hdr[48].offs =
00096 offsetof(segy, stas);
00097 hdr[49].offs =
00098 offsetof(segy, stae);
00099 hdr[50].offs =
00100 offsetof(segy, tatyp);
00101 hdr[51].offs =
00102 offsetof(segy, afilf);
00103 hdr[52].offs =
00104 offsetof(segy, afils);
00105 hdr[53].offs =
00106 offsetof(segy, nofilf);
00107 hdr[54].offs =
00108 offsetof(segy, nofils);
00109 hdr[55].offs =
00110 offsetof(segy, lcf);
00111 hdr[56].offs =
00112 offsetof(segy, hcf);
00113 hdr[57].offs =
00114 offsetof(segy, lcs);
00115 hdr[58].offs =
00116 offsetof(segy, hcs);
00117 hdr[59].offs =
00118 offsetof(segy, year);
00119 hdr[60].offs =
00120 offsetof(segy, day);
00121 hdr[61].offs =
00122 offsetof(segy, hour);
00123 hdr[62].offs =
00124 offsetof(segy, minute);
00125 hdr[63].offs =
00126 offsetof(segy, sec);
00127 hdr[64].offs =
00128 offsetof(segy, timbas);
00129 hdr[65].offs =
00130 offsetof(segy, trwf);
00131 hdr[66].offs =
00132 offsetof(segy, grnors);
00133 hdr[67].offs =
00134 offsetof(segy, grnofr);
00135 hdr[68].offs =
00136 offsetof(segy, grnlof);
00137 hdr[69].offs =
00138 offsetof(segy, gaps);
00139 hdr[70].offs =
00140 offsetof(segy, otrav);
00141 hdr[71].offs =
00142 offsetof(segy, d1);
00143 hdr[72].offs =
00144 offsetof(segy, f1);
00145 hdr[73].offs =
00146 offsetof(segy, d2);
00147 hdr[74].offs =
00148 offsetof(segy, f2);
00149 hdr[75].offs =
00150 offsetof(segy, ungpow);
00151 hdr[76].offs =
00152 offsetof(segy, unscale);
00153 hdr[77].offs =
00154 offsetof(segy, ntr);
00155 hdr[78].offs =
00156 offsetof(segy, mark);
00157 hdr[79].offs =
00158 offsetof(segy, shortpad);
