200 #define DO1 crc = crc_table[0][((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8)
204 unsigned long ZEXPORT crc32(crc, buf, len)  in crc32()  argument
205     unsigned long crc;  in crc32()
222             return crc32_little(crc, buf, len);
224             return crc32_big(crc, buf, len);
227     crc = crc ^ 0xffffffffUL;
235     return crc ^ 0xffffffffUL;
247 local unsigned long crc32_little(crc, buf, len)  in crc32_little()  argument
248     unsigned long crc;  in crc32_little()
255     c = (z_crc_t)crc;
287 local unsigned long crc32_big(crc, buf, len)  in crc32_big()  argument
288     unsigned long crc;  in crc32_big()
295     c = ZSWAP32((z_crc_t)crc);