www.pudn.com > QQ_Sniffer.rar > mycrypt.h

#include 

unsigned int swapu32(unsigned int n);
unsigned short swapu16(unsigned short n);
//int decrypt_msg(unsigned char *in, int inlen, unsigned long *key,
//                                unsigned char *out, unsigned long *outlen);
int decrypt_msg(unsigned char *in, int inlen, unsigned long *key,  
				unsigned char *out, unsigned long *outlen); 
 
int simple_decrypt(unsigned char *in, unsigned long *key);