feature: default interface and basic start

Makefile

@@ -4,7 +4,7 @@ CC := gcc
 CFLAGS := -Wall -Wextra -Werror -iquoteinclude -g
 
 LD := $(CC)
-LDFLAGS := 
+LDFLAGS := -lpcap
 
 SRC := $(shell find src -name '*.c')
 OBJ := $(patsubst src/%.c,obj/%.o,$(SRC))
@@ -28,4 +28,4 @@ re:
 	$(MAKE) fclean 
 	$(MAKE) all
 
-.PHONY: all clean fclean re
+.PHONY: all clean fclean re