diff --git a/Makefile b/Makefile
index 919b276..454dd2a 100644
--- a/Makefile
+++ b/Makefile
@@ -2,108 +2,120 @@
 #  variables names  #
 # - - - - - - - - - #
 
-# each variable will expand in its value when used
+NAME    = libft.a
+CC      = gcc
+VPATH   = srcs
 
-NAME = libft.a
-DEP = libft.h
-CC = gcc
-CFLAGS = -Wall -Wextra -Werror -I. -c
-SRCS =  ft_atoi.c \
-        ft_bzero.c \
-        ft_isalnum.c \
-        ft_isalpha.c \
-        ft_isascii.c \
-        ft_isdigit.c \
-        ft_isprint.c \
-        ft_memccpy.c \
-        ft_memchr.c \
-        ft_memcmp.c \
-        ft_memcpy.c \
-        ft_memmove.c \
-        ft_memset.c \
-        ft_strcat.c \
-        ft_strchr.c \
-        ft_strcmp.c \
-        ft_strcpy.c \
-        ft_strdup.c \
-        ft_strlcat.c \
-        ft_strlen.c \
-        ft_strncat.c \
-        ft_strncmp.c \
-        ft_strncpy.c \
-        ft_strnstr.c \
-        ft_strrchr.c \
-        ft_strstr.c \
-        ft_tolower.c \
-        ft_toupper.c \
-        \
-        ft_itoa.c \
-        ft_memalloc.c \
-        ft_memdel.c \
-        ft_putchar.c \
-        ft_putchar_fd.c \
-        ft_putendl.c \
-        ft_putendl_fd.c \
-        ft_putnbr.c \
-        ft_putnbr_fd.c \
-        ft_putstr.c \
-        ft_putstr_fd.c \
-        ft_strclr.c \
-        ft_strdel.c \
-        ft_strequ.c \
-        ft_striter.c \
-        ft_striteri.c \
-        ft_strjoin.c \
-        ft_strmap.c \
-        ft_strmapi.c \
-        ft_strnequ.c \
-        ft_strnew.c \
-        ft_strsplit.c \
-        ft_strsub.c \
-        ft_strtrim.c \
-        \
-        ft_lstnew.c \
-        ft_lstdelone.c \
-        ft_lstdel.c \
-        ft_lstadd.c \
-        ft_lstiter.c \
-        ft_lstmap.c \
-        \
-        ft_any.c \
-        ft_atoibase.c \
-        ft_convertbase.c \
-        ft_foreach.c \
-        ft_issort.c \
-        ft_arraymap.c \
-        ft_putnbrbase.c \
-        ft_strmultisplit.c
-ODIR = ./builds
-
-# - $(SRCS:%.c=$(ODIR)/%.o) is a built-in function called a
-# "substitute reference", an abbreviation for the
+IDIR    = includes
+_DEP    = libft.h
+DEPS    = $(_DEP:%.h=$(IDIR)/%.h)
+# - $(_DEP:%.h=$(IDIR)/%.h) is a built-in function called
+# a "substitute reference", an abbreviation for the
 # expansion function "patsubst" :
-# $(patsubst %.c,$(ODIR)/%.o,$(SRCS))
+# $(patsubst %.h,$(IDIR)/%.h,$(_DEP))
+# $(patsubst pattern,replacement,text)
 # - % match everything, the value of the first % in
 # "replacement" is replaced by the text matched by the
-# first one in "pattern", it only works for the firsts
+# first % in "pattern", it only works for the firsts
+
+CFLAGS  = -I$(IDIR)
+CFLAGS += -Wall -Wextra -Werror
+
+SRCS    =	ft_atoi.c \
+			ft_bzero.c \
+			ft_isalnum.c \
+			ft_isalpha.c \
+			ft_isascii.c \
+			ft_isdigit.c \
+			ft_isprint.c \
+			ft_memccpy.c \
+			ft_memchr.c \
+			ft_memcmp.c \
+			ft_memcpy.c \
+			ft_memmove.c \
+			ft_memset.c \
+			ft_strcat.c \
+			ft_strchr.c \
+			ft_strcmp.c \
+			ft_strcpy.c \
+			ft_strdup.c \
+			ft_strlcat.c \
+			ft_strlen.c \
+			ft_strncat.c \
+			ft_strncmp.c \
+			ft_strncpy.c \
+			ft_strnstr.c \
+			ft_strrchr.c \
+			ft_strstr.c \
+			ft_tolower.c \
+			ft_toupper.c \
+			\
+			ft_itoa.c \
+			ft_memalloc.c \
+			ft_memdel.c \
+			ft_putchar.c \
+			ft_putchar_fd.c \
+			ft_putendl.c \
+			ft_putendl_fd.c \
+			ft_putnbr.c \
+			ft_putnbr_fd.c \
+			ft_putstr.c \
+			ft_putstr_fd.c \
+			ft_strclr.c \
+			ft_strdel.c \
+			ft_strequ.c \
+			ft_striter.c \
+			ft_striteri.c \
+			ft_strjoin.c \
+			ft_strmap.c \
+			ft_strmapi.c \
+			ft_strnequ.c \
+			ft_strnew.c \
+			ft_strsplit.c \
+			ft_strsub.c \
+			ft_strtrim.c \
+			\
+			ft_lstnew.c \
+			ft_lstdelone.c \
+			ft_lstdel.c \
+			ft_lstadd.c \
+			ft_lstiter.c \
+			ft_lstmap.c \
+			\
+			ft_any.c \
+			ft_atoibase.c \
+			ft_convertbase.c \
+			ft_foreach.c \
+			ft_issort.c \
+			ft_arraymap.c \
+			ft_putnbrbase.c \
+			ft_strmultisplit.c
+ODIR = ./builds
 OBJ = $(SRCS:%.c=$(ODIR)/%.o)
 
+
 # - - - - - - - - - - - #
 #   rules to execute    #
 # - - - - - - - - - - - #
 
+
+all: $(ODIR) $(NAME)
 # - when you write "make" in command line it will execute
 # the first rule wrote in the Makefile, wich is "all" by
 # convention because usually when you type "make" you
 # expect it to build all
 # - it first verify if ODIR is created and if not create
 # it, then it calls NAME to create the library
-all: $(ODIR) $(NAME)
 
-# create the folder where all the .o files will be stored
+
 $(ODIR):
 	mkdir -p $(ODIR)
+# create the folder where all the .o files will be stored
 
+
+$(NAME): $(OBJS) $(DEPS)
+	ar -rc $@ $(OBJS)
+	@ranlib $@
 # - NAME will create the library libft.a
 # - first it checks if any OBJ (files.o) have more recent
 # date of modification than NAME (libft.a), and for each
@@ -115,12 +127,12 @@ $(ODIR):
 # modified since last creation of NAME
 # - ranlib is precedeed by a "@" to avoid being print
 # - if DEP (libft.h) is modified the library is remade
-# - $@ means everything left to ":"
+# - $@ means name of the rule
 # - $< means first argument right to ":"
-$(NAME): $(OBJ) $(DEP)
-	ar -rc $@ $<
-	@ranlib $@
 
+
+$(ODIR)/%.o: %.c
+	$(CC) $(CFLAGS) -c -o $@ $<
 # - this rule depend of the list of files.c
 # - if any of these files are more recent than the file
 # builds/file.o equivalent then the rule will rebuild
@@ -128,22 +140,55 @@ $(NAME): $(OBJ) $(DEP)
 # - the flag -o is there to put explicit name of the .o
 # files since they must be written within a directory
 # path (builds/)
-$(ODIR)/%.o: %.c
-	$(CC) $(CFLAGS) -c -o $@ $<
 
-# clean the objects file
-# rm is use with it's native path to avoid using an alias
+
 clean:
 	/bin/rm -rf $(ODIR)
+# clean the objects file
+# rm is use with its native path to avoid using an alias
+
 
-# clean the objects and executable files
 fclean: clean
 	/bin/rm -f $(NAME)
+# clean the objects and executable files
+
 
-# remake the compilation
 re: fclean all
+# remake the compilation
+
 
 .PHONY: clean fclean re all
+# all rules that are not names of a file are declared to
+# be phony so that makefile knows he has to execute them
+# even if a file name similarly exist and would prevent
+# the rule to execute because it has not been changed
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
@@ -155,27 +200,26 @@ re: fclean all
 # explication complete etapes par etapes depuis le debut #
 # ------------------------------------------------------ #
 
-## SOMMAIRE										   [140 G]
-## 1 - compiler avec gcc						   [161 G]
-# compiler un programme...						   [165 G]
-# compiler en plusieurs fichiers...				   [190 G]
-# les .o : pre-compiler...						   [238 G]
+## 1 - compiler avec gcc						   [25 gj]
+# compiler un programme							   [29 gj]
+# compiler en plusieurs fichiers				   [54 gj]
+# les .o : compiler et linker					  [102 gj]
 
-## 2 - creer une librairie						   [272 G]
-# ar rc											   [276 G]
-# ar rc en plusieurs fois						   [301 G]
-# ranlib										   [322 G]
+## 2 - creer une librairie						  [135 gj]
+# ar rc											  [139 gj]
+# ar rc en plusieurs fois						  [164 gj]
+# ranlib										  [185 gj]
 
-## 3 - fichiers .h								   [335 G]
-# a quoi sert un header							   []
-# ecrire un header								   []
-# comment ca se compile							   []
+## 3 - fichiers .h								  [198 gj]
+# a quoi sert un header							  [202 gj]
+# ecrire un header								  [229 gj]
+# comment ca se compile							  [273 gj]
 
-## 4 - ecrire un make file...					   []
-# makefile basique								   []
-# ne pas tout recompiler...						   []
-# fichiers .o dans un dossier...				   []
-# make un autre makefile						   []
+## 4 - ecrire un make file						  [305 gj]
+# basic makefile								  [309 gj]
+# makefile with subdirectories					  [462 gj]
+# makefile making another makefile				  [583 gj]
+# makefile for a library						  [690 gj]
 
 ## ----------------------
 ## 1 - compiler avec gcc
@@ -357,7 +401,6 @@ re: fclean all
 # - - - - - - - - - - - -
 # a quoi sert un header
 # - - - - - - - - - - - -
-
 # si on utilise une librairie c'est parce qu'on peut avoir
 # souvent besoin des memes fonctions dans un programme
 # mais si a chaque fois qu'on utilise une fonction de la
@@ -435,10 +478,10 @@ re: fclean all
 #
 # par exemple pour l'architecture de dossier suivante :
 #
-#	# file
-#	#   -> main.c
-#	#   -> ft_putchar.c
-#	#   -> libtest.h
+#	# file/
+#	#    main.c
+#	#    ft_putchar.c
+#	#    libtest.h
 #
 # il faut ecrire :
 #
@@ -496,19 +539,19 @@ re: fclean all
 #	# #---------#
 #	# all: $(ODIR) $(NAME)
 #	# $(NAME): $(OBJS) $(DEPS)
-#	# 		$(CC) $(CFLAGS) -o $@ $(OBJS) $(LFLAGS)
+#	#     $(CC) $(CFLAGS) -o $@ $(OBJS) $(LFLAGS)
 #	# %.o: %.c
-#	# 	$(CC) $(CFLAGS) -c -o $@ $<
+#	#     $(CC) $(CFLAGS) -c -o $@ $<
 #	# clean:
-#	#		/bin/rm -rf $(ODIR)
+#	#     /bin/rm -rf $(ODIR)
 #	# fclean: clean
-#	#		/bin/rm -f $(NAME)
+#	#     /bin/rm -f $(NAME)
 #	# re: fclean all
 #	# .PHONY: all clean fclean re
 #
 #	# prompt "make" execute the first rule ("all")
 #
-#	[archtecture]
+#	[architecture]
 #	# main.c
 #	# main.o
 #	# function01.c
@@ -627,7 +670,7 @@ re: fclean all
 #
 # have multiples .a files
 #
-#	[archtecture]
+#	[architecture]
 #	# srcs/
 #	#    main.c
 #	#    function01.c
@@ -670,21 +713,21 @@ re: fclean all
 #	# #---------#
 #	# all: $(ODIR) $(NAME)
 #	# $(NAME): $(OBJS) $(DEPS)
-#	# 	$(CC) $(CFLAGS) -o $@ $(OBJS) $(LFLAGS)
+#	#     $(CC) $(CFLAGS) -o $@ $(OBJS) $(LFLAGS)
 #	# $(ODIR):
-#	# 	mkdir -p $@
+#	#     mkdir -p $@
 #	# $(ODIR)/%.o: %.c
-#	# 	$(CC) $(CFLAGS) -c -o $@ $<
+#	#     $(CC) $(CFLAGS) -c -o $@ $<
 #	# clean:
-#	#		/bin/rm -rf $(ODIR)
+#	#     /bin/rm -rf $(ODIR)
 #	# fclean: clean
-#	#		/bin/rm -f $(NAME)
+#	#     /bin/rm -f $(NAME)
 #	# re: fclean all
 #	# .PHONY: all clean fclean re
 #
 #	# prompt "make" execute the first rule ("all")
 #
-#	[archtecture]
+#	[architecture]
 #	# srcs/
 #	#    main.c
 #	#    function01.c
@@ -692,21 +735,30 @@ re: fclean all
 #	# includes/
 #	#    header01.h
 #	#    header02.h
-#	# builds/
-#	#    main.o
-#	#    function01.o
-#	#    function02.o
+#	# builds/			++
+#	#    main.o			++
+#	#    function01.o	++
+#	#    function02.o	++
 #	# libtest.a
 #	# liboption.a
 #	# Makefile
-#	# program_test
+#	# program_test		++
+#
+# -----
+#
+# VPATH  = srcs
+#
+# build-in variable VPATH is a list of directories where
+# makefile looks for files that it doesn't find in the
+# first place, so it let you easily put .c files into
+# subdirectories
 #
 # -----
 #
 # LIBS   = $(_LIBS:lib%.a=%)
 #
-# from "libtest.a" abd "liboption.a" it creates "test"
-# and option
+# from "libtest.a" and "liboption.a" it creates "test"
+# and "option"
 #
 # as said, the value of the % in "replacement" is
 # replaced with the text matched by the % in "pattern"
@@ -720,253 +772,200 @@ re: fclean all
 #
 # -----
 #
-# all: $(ODIR) $(NAME)
-# $(ODIR):
-# 	mkdir -p $@
-#
-# ALL call the rull ODIR wich verify if the objects files
-# directory already exist and if not, create it
-#
-# -----
-#
 # $(NAME): $(OBJS) $(DEPS)
 # 		$(CC) $(CFLAGS) -o $@ $(OBJS) $(LFLAGS)
 #
 # NAME depends on OBJS and DEPS, so if any .o or any .h
 # have more recent date of modification NAME will execute
-# only for them
+# again only for them
+
+# - - - - - - - - - - - - - - - - -
+# makefile making another makefile
+# - - - - - - - - - - - - - - - - -
+
+# compiling a makefile with compiling another makefile in
+# a subdirectory wich contain the library used by the
+# roots makefile
 #
-# -----
+#	[architecture]
+#	# srcs/
+#	#    main.c
+#	#    function01.c
+#	#    function02.c
+#	# includes/
+#	#    header01.h
+#	#    header02.h
+#	# libtest/
+#	#    Makefile
+#	#    header_lib.h
+#	#    function_lib01.c
+#	#    function_lib02.c
+#	#    libtest.a
+#	# Makefile
 #
-# clean:
-#		/bin/rm -rf $(ODIR)
-#
-# "make clean" suppress all the .o files
-#
-# -----
-#
-#
-#
-#
-#
-#
-#
-#
-#
-#
-#
-
-# - - - - - - - - - - - - - - - - - - -
-# makefile qui make un autre makefile
-# - - - - - - - - - - - - - - - - - - -
-
-
-# - - - - - - - - - - - - - - -
-# makefile pour une librairie
-# - - - - - - - - - - - - - - -
-
-
-	
-#	# create the folder where all the .o files will be stored
-#	$(ODIR):
-#		mkdir -p $(ODIR)
-#	
-#	# - NAME will create the library libft.a
-#	# - first it checks if any OBJ (files.o) have more recent
-#	# date of modification than NAME (libft.a), and for each
-#	# it will execute 
-#	# - $(OBJ) will expand in the list of files.o and each of
-#	# them will call the rule "$(ODIR)/%.o:" below because it
-#	# has its exact pattern
-#	# - NAME will execute only for the .c that has been
-#	# modified since last creation of NAME
-#	# - ranlib is precedeed by a "@" to avoid being print
-#	# - if DEP (libft.h) is modified the library is remade
-#	# - $@ means everything left to ":"
-#	# - $< means first argument right to ":"
-#	$(NAME): $(OBJ) $(DEP)
-#		ar -rc $@ $<
-#		@ranlib $@
-#	
-#	# - this rule depend of the list of files.c
-#	# - if any of these files are more recent than the file
-#	# builds/file.o equivalent then the rule will rebuild
-#	# this .o file
-#	# - the flag -o is there to put explicit name of the .o
-#	# files since they must be written within a directory
-#	# path (builds/)
-#	$(ODIR)/%.o: %.c
-#		$(CC) $(CFLAGS) -c -o $@ $<
-#	
-#	# clean the objects file
-#	# rm is use with it's native path to avoid using an alias
-#	clean:
-#		/bin/rm -rf $(ODIR)
-#	
-#	# clean the objects and executable files
-#	fclean: clean
-#		/bin/rm -f $(NAME)
-#	
-#	# remake the compilation
-#	re: fclean all
-#	
-#	.PHONY: clean fclean
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-# Make a des built-in pattern rules :
-# https://www.gnu.org/software/make/manual/html_node/Catalogue-of-Rules.html
-# par exemple pour construire des .o a partir de .c
-# qui sont utilisees par défaut si les variables
-# sont bien nomee (genre CC ou CFLAGS)
-
-# - - - - - - - - - - - - - - - - - - - - - - - - -
-# ne pas tout recompiler a la moindre modification
-# - - - - - - - - - - - - - - - - - - - - - - - - -
-
-# - - - - - - - - - - - - - - - - - - - -
-# mettre les fichiers .o dans un dossier
-# - - - - - - - - - - - - - - - - - - - -
-
-# - - - - - - - - - - - -
-# make un autre makefile
-# - - - - - - - - - - - -
-
-#
-# cependant si on veut mettre les fichiers .o dans un
-# sous-fichier BUILDS il n'y a pas de built-in pattern
-# il faut donc l'ecrire nous-meme :
-#
-#	# NAME = libtest.h
-#	# CC = gcc
-#	# CFLAGS = -I.
-#	# SRCS = example01.c \
-#	#        example02.c
-#	# ODIR = ./builds
-#	# OBJS = $(addprefix $(ODIR)/, $(SRCS:.c=.o))
-#	# 
-#	# all: $(NAME)
-#	# $(NAME): $(OBJS)
-#	# 	ar -rc $@ $<
+#	# #-------------#
+#	# #  VARIABLES  #
+#	# #-------------#
+#	# NAME   = program_test
+#	# CC     = gcc
+#	# VPATH  = srcs
 #	#
-#	# $(ODIR)/%.o : %.c
-#	#		$(COMPILE.c) -o $@ $<
+#	# IDIR   = includes
+#	# _DEPS  = header01.h \
+#	#          header02.h
+#	# DEPS   = $(_DEPS:%.h=$(IDIR)/%.h)
+#	#
+#	# LDIR   = ./libtest/
+#	# _LIBS  = libtest.a \
+#	# LIBS   = $(_LIBS:lib%.a=%)
+#	#
+#	# SRCS   = main.c \
+#	#          function01.c
+#	#          function02.c
+#	# ODIR   = ./builds
+#	# OBJS   = $(SRCS:%.c=$(ODIR)/%.o)
+#	#
+#	# CFLAGS = -I$(IDIR)
+#	# LFLAGS = -L$(LDIR) -l$(LIBS)
+#	# 
+#	# #---------#
+#	# #  RULES  #
+#	# #---------#
+#	# all: $(ODIR) $(NAME)
+#	# $(NAME): $(OBJS) $(DEPS)
+#	#     make -C $(LDIR)
+#	#     $(CC) $(CFLAGS) -o $@ $(OBJS) $(LFLAGS)
+#	# $(ODIR):
+#	#     mkdir -p $@
+#	# $(ODIR)/%.o: %.c
+#	#     $(CC) $(CFLAGS) -c -o $@ $<
+#	# clean:
+#	#     make clean -C $(LDIR)
+#	#     /bin/rm -rf $(ODIR)
+#	# fclean: clean
+#	#     make fclean -C $(LDIR)
+#	#     /bin/rm -f $(NAME)
+#	# re: fclean all
+#	# .PHONY: all clean fclean re
 #
-# cette regle est appellee par $(OBJS) puisque
-# cette variable appelle la regle $(ODIR/file.o)
+#	# prompt "make" execute the first rule ("all")
 #
-# COMPILE est une built-in variable qui execute
-# les regles CC et CFLAGS avec l'option -c
+#	[archtecture]
+#	# srcs/
+#	#    main.c
+#	#    function01.c
+#	#    function02.c
+#	# includes/
+#	#    header01.h
+#	#    header02.h
+#	# builds/				++
+#	#    main.o				++
+#	#    function01.o		++
+#	#    function02.o		++
+#	# libtest/
+#	#    Makefile
+#	#    header_lib.h
+#	#    function_lib01.c
+#	#    function_lib02.c
+#	#    libtest.a
+#	# Makefile
+#	# program_test			++
 #
-# %   = "tout"
-# $@  = "la valeur a gauche de :"
-# $<  = "la premiere valeur a droite de :"
-# $^  = "toutes les valeurs a droite de :"
+# -----
+#
+# make -C $(LDIR)
+#
+# make -C <path>
+#
+# the -C option says to makefile it should first go to the
+# path location and then do "make"
+#
+# it's similar to :
+#
+# rule:
+#     cd $(LDIR) && make
 #
 
+# - - - - - - - - - - - -
+# makefile for a library
+# - - - - - - - - - - - -
 
-
-# shape of a rule :
 #
-# target: prerequisites
-#		recipe
+# exemple of a makefile used not for a compilation into a
+# binary executable, but to create a library
+#
+#	[architecture]
+#	# srcs/
+#	#    function01.c
+#	#    function02.c
+#	# includes/
+#	#    header.h
+#	# Makefile
+#
+#	# #-------------#
+#	# #  VARIABLES  #
+#	# #-------------#
+#	# NAME   = libtest.a
+#	# CC     = gcc
+#	# VPATH  = srcs
+#	#
+#	# IDIR   = includes
+#	# _DEPS  = header.h
+#	# DEPS   = $(_DEPS:%.h=$(IDIR)/%.h)
+#	#
+#	# SRCS   = function01.c \
+#	#          function02.c
+#	# ODIR   = ./builds
+#	# OBJS   = $(SRCS:%.c=$(ODIR)/%.o)
+#	#
+#	# CFLAGS = -I$(IDIR)
+#	# 
+#	# #---------#
+#	# #  RULES  #
+#	# #---------#
+#	# all: $(ODIR) $(NAME)
+#	# $(NAME): $(OBJS) $(DEP)
+#	#     ar -rc $@ $(OBJS)
+#	#     @ranlib $@
+#	# $(ODIR):
+#	#     mkdir -p $@
+#	# $(ODIR)/%.o: %.c
+#	#     $(CC) $(CFLAGS) -c -o $@ $<
+#	# clean:
+#	#     /bin/rm -rf $(ODIR)
+#	# fclean: clean
+#	#     /bin/rm -f $(NAME)
+#	# re: fclean all
+#	# .PHONY: all clean fclean re
+#
+#	# prompt "make" execute the first rule ("all")
+#
+#	[archtecture]
+#	# srcs/
+#	#    function01.c
+#	#    function02.c
+#	# includes/
+#	#    header.h
+#	# builds/
+#	#    function01.o
+#	#    function02.o
+#	# libtest.a
+#	# Makefile
+#
+# -----
+#
+# NAME   = libtest.a
+#
+# name is now the name of the library to be built
+#
+# -----
+#
+# @ranlib $@
+#
+# @ tells makefile not to show the line in prompt
 #
-# before executing its recipes, makefile verify if any of
-# the prerequisites has been more recently modify than
-# the target, and if so execute the recipes
 
-
-
-
-#	NAME            =   fdf
-#	CC              =   gcc -g3
-#	SRCDIR          =   srcs
-#	INCLUDESDIR     =   includes
-#	LIBFTDIR        =   libft
-#	VPATH           =   $(INCLUDESDIR) \
-#	                    $(SRCDIR) \
-#	                    $(SRCDIR)/init \
-#	                    $(SRCDIR)/print \
-#	                    $(SRCDIR)/calcul \
-#	                    $(SRCDIR)/projection/isometrique \
-#	                    $(SRCDIR)/projection/parallel \
-#	                    $(SRCDIR)/parser \
-#	                    $(SRCDIR)/loop_and_event
-#	LIBFT           =   $(LIBFTDIR)/libft.a
-#	INCLUDES        =   fdf.h \
-#	                    init.h \
-#	                    print.h \
-#	                    calcul.h \
-#	                    projection.h \
-#	                    parser.h \
-#	                    loop.h
-#	SRCS            =   main.c \
-#	                    create_header.c \
-#	                    create_map.c \
-#	                    color_map.c \
-#	                    color_line.c \
-#	                    color_map_pixel.c \
-#	                    print_3d.c \
-#	                    create_mapping.c \
-#	                    straight_line.c \
-#	                    add_point.c \
-#	                    quadrant_one.c \
-#	                    quadrant_two.c \
-#	                    quadrant_three.c \
-#	                    get_points.c \
-#	                    zoom.c \
-#	                    shift.c \
-#	                    alpha_omega.c \
-#	                    increase_z.c \
-#	                    key_dispatcher.c \
-#	                    set_new_color.c \
-#	                    set_projection.c
-#	ODIR            =   objs/
-#	OBJS            =   $(addprefix $(OBJDIR), $(SRCS:.c=.o))
-#	INC             =   -I $(INCLUDESDIR) -I $(LIBFTDIR)/$(INCLUDESDIR)
-#	all:
-#		@$(MAKE) -C $(MLX_DIR);
-#		@$(MAKE) -C $(LIBFTDIR)
-#		@$(ECHO) "$(FLAGS_COLOR)Compiling with flags $(CFLAGS) $(EOC)"
-#		@$(MAKE) $(NAME)
-#	debug:
-#		@$(MAKE) re DEBUG=1
-#	$(LIBFT):
-#		@$(MAKE) -C $(LIBFTDIR)
-#	$(NAME): $(LIBFT) $(OBJDIR) $(OBJECTS)
-#		@$(CC) -o $@ $(OBJECTS) $(CFLAGS) $(LFLAGS) $(MLX_LIB)
-#		@$(ECHO) "$(OK_COLOR)$(NAME) linked with success !$(EOC)"
-#	$(OBJDIR):
-#		@$(MKDIR) $@
-#	$(OBJDIR)%.o: $(SRC_DIR)%.c $(INCLUDES)
-#		@$(CC) -c $< -o $@ $(CFLAGS)
-#		@$(ECHO) "${COMP_COLOR}$< ${EOC}"
-#	clean:
-#		@$(MAKE) clean -C $(MLX_DIR)
-#		@$(MAKE) clean -C $(LIBFTDIR)
-#		@$(RM) $(OBJECTS)
-#		@$(RM) -r $(OBJDIR) && $(ECHO) "${OK_COLOR}Successfully cleaned $(NAME) objects files ${EOC}"
-#	fclean: clean
-#		@$(MAKE) fclean -C $(MLX_DIR)
-#		@$(MAKE) fclean -C $(LIBFTDIR)
-#		@$(RM) $(NAME)  && $(ECHO) "${OK_COLOR}Successfully cleaned $(NAME) ${EOC}"
-#	re: fclean all
-#	rere:
-#		@$(RM) $(OBJECTS)
-#		@$(RM) -r $(OBJDIR)
-#		@$(RM) $(BINDIR)/$(NAME)
-#		@$(MAKE) all
-#	.PHONY: all clean fclean re debug
+#
+# THE END
+# enjoy, futur me
+#
diff --git a/test/Makefile b/test/Makefile
index 6b0b884..e920490 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -13,7 +13,7 @@ LDIR    = ./
 _LIBS   = libtest.a
 LIBS   	= $(_LIBS:lib%.a=%)
 # FUNCTIONS et OBJETS #
-SRCS	= main.c to_uppercase.c #putchar.c transform.c
+SRCS	= main.c to_uppercase.c putchar.c transform.c
 ODIR	= ./builds
 OBJS	= $(SRCS:%.c=$(ODIR)/%.o)
 # OPTIONS de GCC #
@@ -24,8 +24,10 @@ LFLAGS  = -L$(LDIR) -l$(LIBS)
 #  RULES  #
 #---------#
 all: $(ODIR) $(NAME)
+#$(NAME): $(OBJS) $(DEPS)
+#	$(CC) $(CFLAGS) -o $@ $(OBJS) $(LFLAGS)
 $(NAME): $(OBJS) $(DEPS)
-	$(CC) $(CFLAGS) -o $@ $(OBJS) $(LFLAGS)
+	ar rc $@ $(OBJS)
 $(ODIR):
 	mkdir -p $@
 $(ODIR)/%.o: %.c
diff --git a/test/builds/main.o b/test/builds/main.o
index 78735ef..fa0b8d0 100644
Binary files a/test/builds/main.o and b/test/builds/main.o differ
diff --git a/test/builds/putchar.o b/test/builds/putchar.o
new file mode 100644
index 0000000..27a2a24
Binary files /dev/null and b/test/builds/putchar.o differ
diff --git a/test/builds/to_uppercase.o b/test/builds/to_uppercase.o
index e8f61a5..eb31766 100644
Binary files a/test/builds/to_uppercase.o and b/test/builds/to_uppercase.o differ
diff --git a/test/builds/transform.o b/test/builds/transform.o
new file mode 100644
index 0000000..d35bfb8
Binary files /dev/null and b/test/builds/transform.o differ
diff --git a/test/libtest.a b/test/libtest.a
deleted file mode 100644
index d07faf3..0000000
Binary files a/test/libtest.a and /dev/null differ
diff --git a/test/srcs/putchar.c b/test/srcs/putchar.c
new file mode 100644
index 0000000..07d8c03
--- /dev/null
+++ b/test/srcs/putchar.c
@@ -0,0 +1,6 @@
+#include "test.h"
+
+void	ft_putchar(char c)
+{
+   write(1, &c, 1);
+}
diff --git a/test/srcs/transform.c b/test/srcs/transform.c
new file mode 100644
index 0000000..744c097
--- /dev/null
+++ b/test/srcs/transform.c
@@ -0,0 +1,6 @@
+#include "test.h"
+
+int		transform(int a)
+{
+	return (--a);
+}
diff --git a/test/test b/test/test
new file mode 100644
index 0000000..c7262cb
Binary files /dev/null and b/test/test differ