220 #define DO1 crc = crc_table[0][((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8)
224 unsigned long ZEXPORT crc32(crc, buf, len)  in crc32()  argument
225     unsigned long crc;  in crc32()
242             return crc32_little(crc, buf, len);
244             return crc32_big(crc, buf, len);
247     crc = crc ^ 0xffffffffUL;
255     return crc ^ 0xffffffffUL;
267 local unsigned long crc32_little(crc, buf, len)  in crc32_little()  argument
268     unsigned long crc;  in crc32_little()
275     c = (u4)crc;
307 local unsigned long crc32_big(crc, buf, len)  in crc32_big()  argument
308     unsigned long crc;  in crc32_big()
315     c = REV((u4)crc);