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typedef struct _LINK_NODE {USHORT link_size;ULONG link_id;USHORT link_name_size;union {struct _LINK_NODE_INFO {ULONG class_id:4;ULONG cross_cnt:3;ULONG link_name_flg:1;ULONG reserved:24;} st_link_info;ULONG ul_link_info;} link_info;char *road_name;} LINK_NODE;typedef LINK_NODE *PLINK_NODE;void ReadLinkFromData(PLINK_NODE *pstLink, const UCHAR *pdata){UINT uiOffset = 0;pstLink->link_size = MC_GET_SHORT(pdata + uiOffset);uiOffset += 2; /* 2byte */pstLink->link_id = MC_GET_LONG(pdata + uiOffset);uiOffset += 4; /* 4byte */pstLink->link_name_size = MC_GET_SHORT(pdata + uiOffset);uiOffset += 2; /* 2byte */pstLink->link_info.ul_link_info = MC_GET_LONG(pdata + uiOffset);uiOffset += 4; /* 4byte */pstLink->road_name = (UCHAR *)malloc(pstLink->link_name_size);if (NULL == pstLink->road_name) { /* No memory */return ;}strcpy(pstLink->road_name, pdata + uiOffset);return ;}

UINT ReadLinkFromData(PLINK_NODE *pstLink, const UCHAR *pdata){UINT uiOffset = 0;pstLink->link_size = MC_GET_SHORT(pdata + uiOffset);uiOffset += 2; /* 2byte */pstLink->link_id = MC_GET_LONG(pdata + uiOffset);uiOffset += 4; /* 4byte */pstLink->link_name_size = MC_GET_SHORT(pdata + uiOffset);uiOffset += 2; /* 2byte */pstLink->link_info.ul_link_info = MC_GET_LONG(pdata + uiOffset);uiOffset += 4; /* 4byte */pstLink->road_name = (UCHAR *)malloc(pstLink->link_name_size);if (NULL == pstLink->road_name) { /* No memory */return uiOffset + pstLink->link_name_size;}strcpy(pstLink->road_name, pdata + uiOffset);uiOffset += pstLink->link_name_size;return uiOffset;}