diff --git a/CMakeLists.txt b/CMakeLists.txt
index 02331de..cf94989 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,5 +3,5 @@ project(fish)
 
 set(CMAKE_C_STANDARD 99)
 
-set(SOURCE_FILES main.c)
+set(SOURCE_FILES main.c fish_lib/fish_lib.c fish_lib/fish_lib.h)
 add_executable(fish ${SOURCE_FILES})
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diff --git a/fish_lib/fish_lib.c b/fish_lib/fish_lib.c
new file mode 100644
index 0000000..73f89d2
--- /dev/null
+++ b/fish_lib/fish_lib.c
@@ -0,0 +1,60 @@
+//
+// Created by Antoine Bartuccio on 11/05/2017.
+//
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "fish_lib.h"
+
+void fishLoop(){
+    printf("banana");
+}
+
+int countSeparator(char *string, char separator) {
+    int nb = 0;
+    int i = 0;
+    while (string[i] != '\0'){
+        if (string[i] == separator){
+            nb++;
+        }
+        i++;
+    }
+    return nb;
+}
+
+Word * split(char *string, char *separator){
+    int array_size = countSeparator(string, separator[0]) + 1;
+    Word *tokens = malloc(sizeof(Word) * array_size);
+    char *to_delete = strdup(string);
+    char *token = NULL;
+    int i = 0;
+
+    if (tokens == NULL || to_delete == NULL){
+        fprintf(stderr, "fish: Error allocating fucking pointer !");
+        exit(EXIT_FAILURE);
+    }
+
+    while((token = strsep(&to_delete, separator)) != NULL){
+        printf("%s\n", token);
+        tokens[i].word = strdup(token);
+        tokens[i].size = strlen(token);
+    }
+
+    free(to_delete);
+
+    return tokens;
+}
+
+void freeWordArray(Word *array, int size) {
+    int i;
+    for (i=0;i<size;i++){
+        free(array + i);
+    }
+    free(array);
+
+}
+
+char *fishReadLine() {
+    return NULL;
+}
+
diff --git a/fish_lib/fish_lib.h b/fish_lib/fish_lib.h
new file mode 100644
index 0000000..77e922a
--- /dev/null
+++ b/fish_lib/fish_lib.h
@@ -0,0 +1,23 @@
+//
+// Created by Antoine Bartuccio on 11/05/2017.
+//
+
+#ifndef FISH_FISH_LIB_H
+#define FISH_FISH_LIB_H
+
+typedef struct {
+    char * word;
+    size_t size;
+} Word;
+
+void fishLoop();
+
+char * fishReadLine();
+
+Word * split(char *string, char *separator);
+
+int countSeparator(char *string, char separator);
+
+void freeWordArray(Word *array, int size);
+
+#endif //FISH_FISH_LIB_H
diff --git a/main.c b/main.c
index 8321e25..6c36156 100644
--- a/main.c
+++ b/main.c
@@ -1,6 +1,12 @@
 #include <stdio.h>
+#include <stdlib.h>
+#include "fish_lib/fish_lib.h"
 
 int main() {
-    printf("Hello, World!\n");
-    return 0;
+    /* todo load config file */
+
+    split("I love eating bananas", " ");
+    fishLoop();
+
+    return EXIT_SUCCESS;
 }
\ No newline at end of file