diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..ea7ec8e
--- /dev/null
+++ b/Makefile
@@ -0,0 +1 @@
+default : executable
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..00e4e26
--- /dev/null
+++ b/main.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "neurons.h"
+#include "network.h"
+
+int main(int argc, char *argv[])
+{
+    printf("Bonjour et bienvenu ;)\n");
+    return 0;
+}
\ No newline at end of file
diff --git a/network.c b/network.c
new file mode 100644
index 0000000..7aef52c
--- /dev/null
+++ b/network.c
@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "neurons.h"
+#include "network.h"
+
+Neuron *generate_layer(int n_neurons, int n_neurons_prev_layer)
+{
+
+}
\ No newline at end of file
diff --git a/network.h b/network.h
new file mode 100644
index 0000000..4111437
--- /dev/null
+++ b/network.h
@@ -0,0 +1,13 @@
+#ifndef NETWORK_H
+#define NETWORK_H
+
+typedef struct network Network;
+struct network
+{
+    Neuron *layers_first_neurons; //first neuron of each layer of the network
+    Neuron *layers_last_neurons; //last neuron of each layer of the network
+    int number_layers; //keeps track of layers' number
+};
+
+
+#endif
\ No newline at end of file
diff --git a/neurons.c b/neurons.c
new file mode 100644
index 0000000..1b47129
--- /dev/null
+++ b/neurons.c
@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "neurons.h"
+
+Neuron *init_neuron()
+{
+
+}
+
diff --git a/neurons.h b/neurons.h
new file mode 100644
index 0000000..a4ca2f9
--- /dev/null
+++ b/neurons.h
@@ -0,0 +1,14 @@
+#ifndef NEURONS_H
+#define NEURONS_H
+
+typedef struct neuron Neuron;
+struct neuron
+{
+    float output; //output of the neuron
+    float *weights; //weights associated to the neuron + neuron's bias
+    float delta_error; //the delta error for updating current weights
+    Neuron *same_layer_next_neuron;
+};
+
+
+#endif
\ No newline at end of file