issue compiling ethernet_test

[Chubs159]

been having a bit of an issue trying to compile the example ethernet_test. Bellow is the full error when I try to compile the sketch for an arduino uno.

Arduino: 1.8.13 (Windows 10), Board: "Arduino Uno"

In file included from C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:39:0,

             from C:\Users\TEST\Documents\Arduino\libraries\E131\examples\Ethernet_Test\Ethernet_Test.ino:22:

C:\Users\TEST\Documents\Arduino\libraries\E131/utility/util.h:14:5: error: expected ')' before '<<' token

((x)<< 8 & 0x00FF0000UL) |

 ^~

In file included from C:\Users\TEST\Documents\Arduino\libraries\E131\examples\Ethernet_Test\Ethernet_Test.ino:22:0:

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:106:3: error: 'e131_packet_t' does not name a type

} e131_packet_t;

^~~~~

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:141:5: error: 'e131_packet_t' does not name a type; did you mean 'e131_listen_t'?

 e131_packet_t   pbuff1;     /* Packet buffer */

 ^~~~~~~~~~~~~

 e131_listen_t

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:145:5: error: 'e131_packet_t' does not name a type; did you mean 'e131_listen_t'?

 e131_packet_t   *pwbuff;    /* Pointer to working packet buffer */

 ^~~~~~~~~~~~~

 e131_listen_t

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:158:5: error: 'e131_packet_t' does not name a type; did you mean 'e131_listen_t'?

 e131_packet_t *packet;              /* Pointer to last valid packet */

 ^~~~~~~~~~~~~

 e131_listen_t

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h: In member function 'uint16_t E131::parsePacket()':

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:211:27: error: 'pwbuff' was not declared in this scope

         udp.readBytes(pwbuff->raw, size);

                       ^~~~~~

In file included from C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:39:0,

             from C:\Users\TEST\Documents\Arduino\libraries\E131\examples\Ethernet_Test\Ethernet_Test.ino:22:

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:219:34: error: 'packet' was not declared in this scope

             universe = htons(packet->universe);

                              ^

C:\Users\TEST\Documents\Arduino\libraries\E131/utility/util.h:5:22: note: in definition of macro 'htons'

define htons(x) ( ((x)<< 8 & 0xFF00) | ((x)>> 8 & 0x00FF) )

                  ^

In file included from C:\Users\TEST\Documents\Arduino\libraries\E131\examples\Ethernet_Test\Ethernet_Test.ino:22:0:

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h: In member function 'e131_error_t E131::validate()':

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:239:22: error: 'pwbuff' was not declared in this scope

     if (memcmp_P(pwbuff->acn_id, ACN_ID, sizeof(pwbuff->acn_id)))

                  ^~~~~~

In file included from C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:39:0,

             from C:\Users\TEST\Documents\Arduino\libraries\E131\examples\Ethernet_Test\Ethernet_Test.ino:22:

C:\Users\TEST\Documents\Arduino\libraries\E131/utility/util.h:13:18: warning: init-statement in selection statements only available with -std=c++1z or -std=gnu++1z

define htonl(x) ( ((x)<<24 & 0xFF000000UL) |

              ^

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:244:13: note: in expansion of macro 'htonl'

     if (htonl(pwbuff->root_vector) != VECTOR_ROOT)

         ^~~~~

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:244:19: error: 'pwbuff' was not declared in this scope

     if (htonl(pwbuff->root_vector) != VECTOR_ROOT)

               ^

C:\Users\TEST\Documents\Arduino\libraries\E131/utility/util.h:13:22: note: in definition of macro 'htonl'

define htonl(x) ( ((x)<<24 & 0xFF000000UL) |

                  ^

In file included from C:\Users\TEST\Documents\Arduino\libraries\E131\examples\Ethernet_Test\Ethernet_Test.ino:22:0:

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:244:40: error: expected primary-expression before '!=' token

     if (htonl(pwbuff->root_vector) != VECTOR_ROOT)

                                    ^~

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:246:9: error: expected primary-expression before 'if'

     if (htonl(pwbuff->frame_vector) != VECTOR_FRAME)

     ^~

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:246:9: error: expected ')' before 'if'

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:248:13: error: 'pwbuff' was not declared in this scope

     if (pwbuff->dmp_vector != VECTOR_DMP)

         ^~~~~~

C:\Users\TEST\Documents\Arduino\libraries\E131/E131.h:250:13: error: 'pwbuff' was not declared in this scope

     if (pwbuff->property_values[0] != 0)

         ^~~~~~

exit status 1

Error compiling for board Arduino Uno.

This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences.