ident_hi           16 core/ngx_resolver.c     u_char  ident_hi;
ident_hi          982 core/ngx_resolver.c     ident = (query->ident_hi << 8) + query->ident_lo;
ident_hi         1749 core/ngx_resolver.c     query->ident_hi = (u_char) ((ident >> 8) & 0xff);
ident_hi         1825 core/ngx_resolver.c     query->ident_hi = (u_char) ((ident >> 8) & 0xff);