diff --git a/README.md b/README.md
index 9942b2e..183e04d 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # tsock
 Using C's standard UDP/TCP Library, send and receive data through the Internet.
+Pour compiler :
+```
+gcc -Wall src/*.c -o main
+```
\ No newline at end of file
diff --git a/header/puit.h b/header/puit.h
new file mode 100644
index 0000000..011aa47
--- /dev/null
+++ b/header/puit.h
@@ -0,0 +1,8 @@
+#ifndef HEADER_PUIT
+#define HEADER_PUIT
+
+#include "tsock.h"
+int launchPuit(int nombreMessage);
+int receiveMultipleData(int nombreMessages, int tailleMessage, int sock, struct sockaddr_in socketStruct);
+
+#endif
\ No newline at end of file
diff --git a/header/source.h b/header/source.h
new file mode 100644
index 0000000..c499452
--- /dev/null
+++ b/header/source.h
@@ -0,0 +1,8 @@
+#ifndef HEADER_SOURCE
+#define HEADER_SOURCE
+#include "tsock.h"
+
+int launchSource(int nombreMessage);
+int sendMultipleData(int nombreMessages, int tailleMessage, int sock, struct sockaddr_in socketStruct);
+
+#endif
\ No newline at end of file
diff --git a/tsock.h b/header/tsock.h
similarity index 76%
rename from tsock.h
rename to header/tsock.h
index da163c4..de8238d 100644
--- a/tsock.h
+++ b/header/tsock.h
@@ -13,5 +13,8 @@
 
 void setNbMessage(int * nb, int source);
 void printInfo(int nb, int source);
+void initStructSocket(struct sockaddr_in *socketServerTemp, int source);
+
+#define PORT_NUM    9000
 
 #endif
\ No newline at end of file
diff --git a/puit.c b/puit.c
deleted file mode 100644
index 12b57cb..0000000
--- a/puit.c
+++ /dev/null
@@ -1,73 +0,0 @@
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <stdio.h>
-#include <errno.h>
-
-#define _OE_SOCKETS
-#define PORT_NUM    9000
-
-void initSocketAddr(struct sockaddr_in *socketServerTemp, int source);
-void creationSocket(int *socketTemp, struct sockaddr_in *socketTempStruct);
-
-
-char buffer[1024];
-struct sockaddr_in socketClient;
-
-int main(void)
-{
-    int sock;
-    creationSocket(&sock,&socketClient);
-    initSocketAddr(&socketClient,0);
-
-	if (bind(sock, (const struct sockaddr *)&socketClient, sizeof(socketClient)) < 0 )
-	{
-		perror("bind failed");
-		exit(EXIT_FAILURE);
-	}
-
-    int n;
-    unsigned int lg_socketServer = sizeof(socketClient);
-
-    n = recvfrom(sock, (char *)buffer, 1024, 0, (struct sockaddr*) &socketClient,&lg_socketServer);
-    buffer[n] = '\0';
-    printf("Server : %s\n", buffer);
-    close(sock);
-    return 0;
-}
-
-void initSocketAddr(struct sockaddr_in *socketTempStruct, int source)
-{   
-    socketTempStruct->sin_family=AF_INET;
-    socketTempStruct->sin_port=htons(PORT_NUM);
-    if(source)
-    {   
-        struct hostent *hp;
-        if((hp = gethostbyname("localhost")) == NULL)
-        {
-            printf("erreur gethostbyname\n");
-            exit(1);
-        }
-        memcpy((char*)&(socketTempStruct->sin_addr.s_addr),hp->h_addr_list[0],hp->h_length);
-    }
-    else
-    {
-        socketTempStruct->sin_addr.s_addr=INADDR_ANY;
-
-    }
-}
-
-void creationSocket(int *socketTemp, struct sockaddr_in *socketTempStruct){
-
-if((*socketTemp=socket(AF_INET,SOCK_DGRAM,0)) == -1)
-    {
-        printf("échec création du socket\n");
-        exit(1);
-    }
-    memset(socketTempStruct, 0, sizeof(*socketTempStruct));
-
-}
\ No newline at end of file
diff --git a/source b/source
deleted file mode 100755
index 3468d3f..0000000
Binary files a/source and /dev/null differ
diff --git a/source.c b/source.c
deleted file mode 100644
index 84ee9f9..0000000
--- a/source.c
+++ /dev/null
@@ -1,45 +0,0 @@
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <stdio.h>
-#include <errno.h>
-
-#define PORT_NUM    9000
-
-void initSocket();
-
-int sock;
-int lg_emis;
-struct hostent *hp;
-struct sockaddr_in socketClient;
-
-int main(void)
-{
-    if((sock=socket(AF_INET,SOCK_DGRAM,0)) == -1)
-    {
-        printf("échec création du socket\n");
-        exit(1);
-    }
-    memset(&socketClient, 0, sizeof(socketClient));
-    initSocket();
-    lg_emis=sendto(sock, "aaaaa", 6, 0, (struct sockaddr*)&socketClient, sizeof(socketClient));
-    printf("lgemis = %d\n",lg_emis);
-    close(sock);
-    return 0;
-}
-
-void initSocket()
-{
-    socketClient.sin_family=AF_INET;
-    socketClient.sin_port=htons(PORT_NUM);
-    if((hp = gethostbyname("localhost")) == NULL)
-    {
-        printf("erreur gethostbyname\n");
-        exit(1);
-    }
-    memcpy((char*)&(socketClient.sin_addr.s_addr),hp->h_addr_list[0],hp->h_length);
-}
\ No newline at end of file
diff --git a/main.c b/src/main.c
similarity index 86%
rename from main.c
rename to src/main.c
index b5c2637..e999db0 100644
--- a/main.c
+++ b/src/main.c
@@ -1,4 +1,6 @@
-#include "tsock.h"
+#include "../header/tsock.h"
+#include "../header/puit.h"
+#include "../header/source.h"
 
 int main (int argc, char **argv)
 {
@@ -43,9 +45,11 @@ int main (int argc, char **argv)
 	if(source)
 	{
 		printf("Source : %d\n",nb_message);
+		launchSource(nb_message);
 	}
 	else
 	{
 		printf("Puit : %d\n",nb_message);
+		launchPuit(nb_message);
 	}
 }
\ No newline at end of file
diff --git a/src/puit.c b/src/puit.c
new file mode 100644
index 0000000..4f9d41c
--- /dev/null
+++ b/src/puit.c
@@ -0,0 +1,48 @@
+#include "../header/puit.h"
+
+int launchPuit(int nombreMessage)
+{
+    int sock;
+    struct sockaddr_in socketPuit;
+
+    if((sock=socket(AF_INET,SOCK_DGRAM,0)) == -1)
+    {
+        perror("[tsock] : fonction socket() : echec creation du socket\n");
+        exit(EXIT_FAILURE);
+    }
+    initStructSocket(&socketPuit,0);
+	if (bind(sock, (const struct sockaddr *)&socketPuit, sizeof(socketPuit)) < 0 )
+	{
+		perror("[tsock] : fonction bind() : echec du lien avec socket serveur.\n");
+		exit(EXIT_FAILURE);
+	}
+    receiveMultipleData(nombreMessage,30,sock,socketPuit);
+    close(sock);
+    return 0;
+}
+
+int receiveMultipleData(int nombreMessages, int tailleMessage, int sock, struct sockaddr_in socketStruct)
+{
+    char messageRecu[tailleMessage+1];
+    int n, longueurRecu = sizeof(socketStruct);
+    if(nombreMessages < 0)
+    {
+        int i=1;
+        while(1)
+        {
+            n = recvfrom(sock, (char *)messageRecu, tailleMessage, 0, (struct sockaddr*) &socketStruct,(socklen_t *__restrict__)&longueurRecu);
+            messageRecu[n] = '\0';
+            printf("Puit\tReception n°%d (%d) :\t[%s]\n",i,tailleMessage,messageRecu);
+            i++;
+        }
+    }
+    else{
+        for(int i=0;i<nombreMessages;i++)
+        {
+            n = recvfrom(sock, (char *)messageRecu, tailleMessage, 0, (struct sockaddr*) &socketStruct,(socklen_t *__restrict__)&longueurRecu);
+            messageRecu[n] = '\0';
+            printf("Puit\tReception n°%d (%d) :\t[%s]\n",i+1,tailleMessage,messageRecu);
+        }
+    }
+    return 0;
+}
\ No newline at end of file
diff --git a/src/source.c b/src/source.c
new file mode 100644
index 0000000..0f848c1
--- /dev/null
+++ b/src/source.c
@@ -0,0 +1,32 @@
+#include "../header/source.h"
+
+int launchSource(int nombreMessage)
+{
+    int sock;
+    struct sockaddr_in socketSource;
+
+    if((sock=socket(AF_INET,SOCK_DGRAM,0)) == -1)
+    {
+        perror("[tsock] : fonction socket() : echec creation du socket\n");
+        exit(EXIT_FAILURE);
+    }
+    initStructSocket(&socketSource,1);
+    sendMultipleData(nombreMessage,30,sock,socketSource);
+    close(sock);
+    return 0;
+}
+
+int sendMultipleData(int nombreMessages, int tailleMessage, int sock, struct sockaddr_in socketStruct)
+{
+    int longueurEmis;
+    char messageChar='a';
+    char sendingMessage[tailleMessage];
+    for(int i=0;i<nombreMessages;i++)
+    {
+        memset(sendingMessage, messageChar, tailleMessage*sizeof(char));
+        longueurEmis=sendto(sock, sendingMessage, tailleMessage, 0, (struct sockaddr*)&socketStruct, sizeof(socketStruct));
+        printf("Source\tEnvoi n°%d (%d) :\t[%s]\n",i+1,longueurEmis,sendingMessage);
+        messageChar++;
+    }
+    return 0;
+}
\ No newline at end of file
diff --git a/src/tsock.c b/src/tsock.c
new file mode 100644
index 0000000..ec6f13a
--- /dev/null
+++ b/src/tsock.c
@@ -0,0 +1,44 @@
+#include "../header/tsock.h"
+
+void setNbMessage(int * nb, int source)
+{
+	if((*nb == -1) && (source))
+	{
+		*nb = 10;
+	}
+}
+
+void printInfo(int nb, int source)
+{
+	if(source)
+	{
+		printf("tsock lance en mode source, nombre de tampons à envoyer : %d\n", nb);
+	}
+	else
+	{
+		printf("tsock lance en mode puit, nombre de tampons à recevoir :");
+		nb != -1 ? printf("%d\n", nb) : printf("infini\n");
+	}
+}
+
+void initStructSocket(struct sockaddr_in *socketTempStruct, int source)
+{   
+    memset(socketTempStruct, 0, sizeof(*socketTempStruct));
+    socketTempStruct->sin_family=AF_INET;
+    socketTempStruct->sin_port=htons(PORT_NUM);
+    if(source)
+    {   
+        struct hostent *hp;
+        if((hp = gethostbyname("localhost")) == NULL)
+        {
+            printf("erreur gethostbyname\n");
+            exit(1);
+        }
+        memcpy((char*)&(socketTempStruct->sin_addr.s_addr),hp->h_addr_list[0],hp->h_length);
+    }
+    else
+    {
+        socketTempStruct->sin_addr.s_addr=INADDR_ANY;
+
+    }
+}
\ No newline at end of file
diff --git a/tsock.c b/tsock.c
deleted file mode 100644
index 9db2872..0000000
--- a/tsock.c
+++ /dev/null
@@ -1,22 +0,0 @@
-#include "tsock.h"
-
-void setNbMessage(int * nb, int source)
-{
-	if((*nb == -1) && (source))
-	{
-		*nb = 10;
-	}
-}
-
-void printInfo(int nb, int source)
-{
-	if(source)
-	{
-		printf("tsock lance en mode source, nombre de tampons à envoyer : %d\n", nb);
-	}
-	else
-	{
-		printf("tsock lance en mode puit, nombre de tampons à recevoir :");
-		nb != -1 ? printf("%d\n", nb) : printf("infini\n");
-	}
-}
\ No newline at end of file