ref: 1a8846b50eb297b9faa06e1273b1589a7ee833ca dir: /common/mp4v2/acconfig.h/
@BOTTOM@ #undef HAVE_IN_PORT_T #undef HAVE_SOCKLEN_T #undef HAVE_FPOS_T_POS #undef ARCH_X86 #undef HAVE_IPv6 #undef HAVE_ST_ADDRINFO