Use /sys to get the list of network interface.

zshrc

@@ -344,8 +344,11 @@ function ippub()
 #Récupère l'adresse IP (privee)
 function ippriv()
 {
-  printf 'eth0: %s\n' $(ip a s eth0|grep "inet "|awk '{print $2}')
-  printf 'wlan0: %s\n' $(ip a s wlan0|grep "inet "|awk '{print $2}')
+  for interface in $(find /sys/class/net/ ! -name lo -type l -printf "%f\n" | sort);
+  do
+    IP_INTER=$(ip a s ${interface}|grep "inet "|awk '{print $2}')
+    printf '%b' "${WHITEB}${interface}${RESET}: ${IP_INTER}\n"
+  done
 }