求救：编译unix网络编程出现错误

Question

我编译unix网络编程（第2版）时出现以下错误，请问各位是怎么回事呀？谢谢！
bash-2.05$ gcc daytimetcpcli01.c -o daytimetcpcli
In file included from unp.h:13,
                 from daytimetcpcli01.c:1:
/usr/local/lib/gcc-lib/sparc-sun-solaris2.9/3.3.2/include/sys/types.h:85: error: conflicting t'
/usr/include/sys/int_types.h:69: error: previous declaration of `int32_t'
In file included from unp.h:200,
                 from daytimetcpcli01.c:1:
addrinfo.h:10: error: redefinition of `struct addrinfo'
In file included from unp.h:200,
                 from daytimetcpcli01.c:1:
addrinfo.h:22:1: warning: "AI_PASSIVE" redefined

Answer 1

源文件引用的出错包裹函数，在某个文件中，unp上有讲到，把它一起编译