30 #define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))
35 static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab)  in decrypt_byte()  argument
41     (void)pcrc_32_tab;  in decrypt_byte()
49 static int update_keys(unsigned long* pkeys,const z_crc_t* pcrc_32_tab,int c)  in update_keys()  argument
66 static void init_keys(const char* passwd,unsigned long* pkeys,const z_crc_t* pcrc_32_tab)  in init_keys()  argument
72         update_keys(pkeys,pcrc_32_tab,(int)*passwd);  in init_keys()
77 #define zdecode(pkeys,pcrc_32_tab,c) \  argument
78     (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab)))
80 #define zencode(pkeys,pcrc_32_tab,c,t) \  argument
81     (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), (Byte)t^(c))
95                           const z_crc_t* pcrc_32_tab,  in crypthead()  argument
115     init_keys(passwd, pkeys, pcrc_32_tab);  in crypthead()
119         header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t);  in crypthead()
122     init_keys(passwd, pkeys, pcrc_32_tab);  in crypthead()
125         buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t);  in crypthead()
127     buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t);  in crypthead()
128     buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t);  in crypthead()