in this function)

　　external/clearsilver/cgi/cgi.c:888: error: ‘Bytef’ undeclared (first use in this function)

　　external/clearsilver/cgi/cgi.c:888: error: expected expression before ‘)’ token

　　external/clearsilver/cgi/cgi.c:889: error: ‘uInt’ undeclared (first use in this function)

　　external/clearsilver/cgi/cgi.c:889: error: expected ‘;’ before ‘str’

　　external/clearsilver/cgi/cgi.c:890: error: expected expression before ‘)’ token

　　external/clearsilver/cgi/cgi.c:892: error: ‘uLong’ undeclared (first use in this function)

　　external/clearsilver/cgi/cgi.c:892: error: expected ‘)’ before ‘stream’

　　external/clearsilver/cgi/cgi.c:895: error: ‘alloc_func’ undeclared (first use in this function)

　　external/clearsilver/cgi/cgi.c:895: error: expected ‘;’ before numeric constant

　　external/clearsilver/cgi/cgi.c:896: error: ‘free_func’ undeclared (first use in this function)

　　external/clearsilver/cgi/cgi.c:896: error: expected ‘;’ before numeric constant

　　external/clearsilver/cgi/cgi.c:897: error: ‘voidpf’ undeclared (first use in this function)

　　external/clearsilver/cgi/cgi.c:897: error: expected ‘;’ before numeric constant

　　external/clearsilver/cgi/cgi.c:900: error: ‘Z_DEFAULT_COMPRESSION’ undeclared (first use in this function)

　　external/clearsilver/cgi/cgi.c:900: error: ‘Z_DEFLATED’ undeclared (first use in this function)

　　external/clearsilver/cgi/cgi.c:900: error: ‘MAX_WBITS’ undeclared (first use in this function)

　　external/clearsilver/cgi/cgi.c:900: error: ‘Z_DEFAULT_STRATEGY’ undeclared (first use in this function)

　　external/clearsilver/cgi/cgi.c:901: error: ‘Z_OK’ undeclared (first use in this function)

　　external/clearsilver/cgi/cgi.c:904: error: ‘Z_FINISH’ undeclared (first use in this function)