我正在尝试使用pjsip库来解码以下SIP字节流,但出现段错误。我的代码有什么问题?#includeintmain(){char__MSG[]={0x49,0x4e,0x56,0x49,0x54,0x45,0x20,0x73,0x69,0x70,0x3a,0x40,0x31,0x32,0x37,0x2e,0x30,0x2e,0x30,0x2e,0x31,0x20,0x53,0x49,0x50,0x2f,0x32,0x2e,0x30,0x0d,0x0a,0x54,0x6f,0x3a,0x20,0x3c,0x73,0x69,0x70,0x3a,0x31,0x30,0x2e,0x30,0x2