16 #define DO1(buf,i)  {adler += (buf)[i]; sum2 += adler;}
63 uLong ZEXPORT adler32_z(adler, buf, len)  in adler32_z()  argument
64     uLong adler;  in adler32_z()
72     sum2 = (adler >> 16) & 0xffff;
73     adler &= 0xffff;
77         adler += buf[0];
78         if (adler >= BASE)
79             adler -= BASE;
80         sum2 += adler;
83         return adler | (sum2 << 16);
93             adler += *buf++;
94             sum2 += adler;
96         if (adler >= BASE)
97             adler -= BASE;
99         return adler | (sum2 << 16);
110         MOD(adler);
122             adler += *buf++;
123             sum2 += adler;
125         MOD(adler);
130     return adler | (sum2 << 16);
134 uLong ZEXPORT adler32(adler, buf, len)  in adler32()  argument
135     uLong adler;  in adler32()
139     return adler32_z(adler, buf, len);