ref: aed66866cc63b01f8d66e1f381ca7a26c514887d 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