46     char header[30];  variable
51     while ( fread(header, 1, 30, fpZip) == 30 ) {
55       if (READ_32(header) == 0x04034b50) {
56         unsigned int version = READ_16(header + 4);
57         unsigned int gpflag = READ_16(header + 6);
58         unsigned int method = READ_16(header + 8);
59         unsigned int filetime = READ_16(header + 10);
60         unsigned int filedate = READ_16(header + 12);
61         unsigned int crc = READ_32(header + 14); /* crc */
62         unsigned int cpsize = READ_32(header + 18); /* compressed size */
63         unsigned int uncpsize = READ_32(header + 22); /* uncompressed sz */
64         unsigned int fnsize = READ_16(header + 26); /* file name length */
65         unsigned int extsize = READ_16(header + 28); /* extra field length */
69         if (fwrite(header, 1, 30, fpOut) == 30) {
141           char header[46];  variable
144           WRITE_32(header, 0x02014b50);
145           WRITE_16(header + 4, version);
146           WRITE_16(header + 6, version);
147           WRITE_16(header + 8, gpflag);
148           WRITE_16(header + 10, method);
149           WRITE_16(header + 12, filetime);
150           WRITE_16(header + 14, filedate);
151           WRITE_32(header + 16, crc);
152           WRITE_32(header + 20, cpsize);
153           WRITE_32(header + 24, uncpsize);
154           WRITE_16(header + 28, fnsize);
155           WRITE_16(header + 30, extsize);
156           WRITE_16(header + 32, comsize);
157           WRITE_16(header + 34, 0);     /* disk # */
158           WRITE_16(header + 36, 0);     /* int attrb */
159           WRITE_32(header + 38, 0);     /* ext attrb */
160           WRITE_32(header + 42, currentOffset);
162           if (fwrite(header, 1, 46, fpOutCD) == 46) {
216       char header[22];  variable
222       WRITE_32(header, 0x06054b50);
223       WRITE_16(header + 4, 0);    /* disk # */
224       WRITE_16(header + 6, 0);    /* disk # */
225       WRITE_16(header + 8, entriesZip);   /* hack */
226       WRITE_16(header + 10, entriesZip);  /* hack */
227       WRITE_32(header + 12, offsetCD);    /* size of CD */
228       WRITE_32(header + 16, offset);      /* offset to CD */
229       WRITE_16(header + 20, comsize);     /* comment */
232       if (fwrite(header, 1, 22, fpOutCD) == 22) {