diff --git a/cparse.c b/cparse.c
index 2697d3b..18d4135 100644
--- a/cparse.c
+++ b/cparse.c
@@ -14,7 +14,7 @@ int find_funcs(const char *path)
 	char line[1024];
 	char boum[1024];
 	regmatch_t rm[2];
-	const char *re_func_decl = "^(\\w+(\\s+)?){2,}\\([^!@#$+%^]+?\\)\\s+";
+	const char *re_func_decl = "^(\\w+(\\s+)?\\**){2,}\\([^!@#$+%^]+?\\)\\s+";
 	const char *re_func_call = "([a-zA-Z_0-9]+)\\(.*\\)";
 
 	fp = fopen(path, "r");
@@ -32,11 +32,10 @@ int find_funcs(const char *path)
 		fprintf(stderr, "Failed to compile regex '%s'\n", re_func_call);
 		return EXIT_FAILURE;
 	}
-	int i = 0;
 	bool in = false;
 	graph_vec g = new_graph(10);
 	int index;
-	int i1, i2 = -1;
+	int cur_node;
 	while ((fgets(line, 1024, fp)) != NULL) {
 		if (in && line[0] == '}') {
 			in = false;
@@ -47,38 +46,39 @@ int find_funcs(const char *path)
 				sprintf(boum, "%.*s", (int)(rm[1].rm_eo - rm[1].rm_so), line + rm[1].rm_so);
 				// printf("%.*s\n", (int)(rm[1].rm_eo - rm[1].rm_so), line + rm[1].rm_so);
 				if ((index = is_in(g, boum))) {
-					if (g.node[i2]->nbs == g.node[i2]->cap)
-						g.node[i2]->succ = reallocarray(g.node[i2]->succ, (g.node[i2]->cap += 5), sizeof(nodept));
-					g.node[i2]->succ[i1] = g.node[index];
-					g.node[i2]->nbs++;
-					i1++;
+					if (g.node[cur_node]->nbs == g.node[cur_node]->cap)
+						g.node[cur_node]->succ = reallocarray(g.node[cur_node]->succ, (g.node[cur_node]->cap += 5), sizeof(nodept));
+					g.node[cur_node]->succ[g.node[cur_node]->nbs] = g.node[index];
+					g.node[cur_node]->nbs++;
 				} else {
-					insert_node(&g, i, boum, false);
-					if (g.node[i2]->nbs == g.node[i2]->cap)
-						g.node[i2]->succ = reallocarray(g.node[i2]->succ, (g.node[i2]->cap += 5), sizeof(nodept));
-					g.node[i2]->succ[i1] = g.node[i];
-					g.node[i2]->nbs++;
-					i1++;
-					i++;
+					insert_node(&g, boum);
+					if (g.node[cur_node]->nbs == g.node[cur_node]->cap)
+						g.node[cur_node]->succ = reallocarray(g.node[cur_node]->succ, (g.node[cur_node]->cap += 5), sizeof(nodept));
+					g.node[cur_node]->succ[g.node[cur_node]->nbs] = g.node[g.n];
+					g.node[cur_node]->nbs++;
 				}
 			}
-		} else if (regexec(&fdre, line, 2, rm, 0) == 0) {
+		} else if (regexec(&fdre, line, 2, rm, 0) == 0) { // function definition
 			sprintf(boum, "%.*s", (int)(rm[1].rm_eo - rm[1].rm_so), line + rm[1].rm_so);
-			// printf("%.*s\n", (int)(rm[1].rm_eo - rm[1].rm_so), line + rm[1].rm_so);
-			insert_node(&g, i, boum, true);
-			i++;
-			i2++;
+			if ((index = is_in(g, boum))) {
+				cur_node = index;
+			} else {
+				insert_node(&g, boum);
+				cur_node = g.n;
+			}
+			// if (strcmp(boum, "ml_new_data") == 0)
+			// 	printf("%d\n", cur_node);
 			in = true;
-			i1 = 0;
 		}
 	}
-	// for (int j = 0; j < i; j++) {
+	// for (int j = 0; j < g.n; j++) {
 	// 	printf("NODE %d: %s\n", j, g.node[j]->func);
-	// 	for (int n = 0; n < g.node[j]->nbs; n++) {
-	// 		printf("SUCC %d: %s\n", j, g.node[j]->succ[n]->func);
-	// 	}
 	// }
-	print_node(g.node[0]);
+	// print_node(g.node[0]);
+	dot_graph(g.node[0]);
+	// int test = is_in(g, "ml_new_data");
+	// printf("%s\n", g.node[14]->func);
+	// printf("%d\n", g.node[14]->nbs);
 	regfree(&fdre);
 	regfree(&fcre);
 	fclose(fp);
diff --git a/graph.dot b/graph.dot
new file mode 100644
index 0000000..4f7246d
--- /dev/null
+++ b/graph.dot
@@ -0,0 +1,188 @@
+digraph main {
+	ml_open -> mf_open;
+	ml_open -> mf_new;
+	ml_open -> iemsg;
+	ml_open -> xstrlcpy;
+	ml_open -> long_to_char;
+	ml_open -> get_fileformat;
+	ml_open -> set_b0_fname;
+	ml_open -> os_get_user_name;
+	ml_open -> os_get_hostname;
+	ml_open -> long_to_char;
+	ml_open -> findswapname;
+	ml_open -> mf_put;
+	ml_open -> B_SPELL;
+	ml_open -> mf_sync;
+	ml_open -> ml_new_ptr;
+	ml_open -> iemsg;
+	ml_open -> mf_put;
+	ml_open -> ml_new_data;
+	ml_open -> iemsg;
+	ml_open -> mf_put;
+	ml_open -> mf_close;
+	set_b0_fname -> home_replace;
+	set_b0_fname -> os_get_user_name;
+	set_b0_fname -> STRLEN;
+	set_b0_fname -> STRLEN;
+	set_b0_fname -> STRLCPY;
+	set_b0_fname -> memmove;
+	set_b0_fname -> memmove;
+	set_b0_fname -> os_fileinfo;
+	set_b0_fname -> long_to_char;
+	set_b0_fname -> long_to_char;
+	set_b0_fname -> buf_store_file_info;
+	set_b0_fname -> long_to_char;
+	set_b0_fname -> long_to_char;
+	set_b0_fname -> add_b0_fenc;
+	add_b0_fenc -> STRLEN;
+	add_b0_fenc -> STRLEN;
+	add_b0_fenc -> memmove;
+	findswapname -> FUNC_ATTR_NONNULL_ARG;
+	findswapname -> strlen;
+	findswapname -> xmalloc;
+	findswapname -> copy_option_part;
+	findswapname -> makeswapname;
+	findswapname -> strlen;
+	findswapname -> XFREE_CLEAR;
+	findswapname -> os_fileinfo_link;
+	findswapname -> fnamecmp;
+	findswapname -> os_open;
+	findswapname -> read_eintr;
+	findswapname -> fnamecmp;
+	findswapname -> path_tail;
+	findswapname -> same_directory;
+	findswapname -> expand_env;
+	findswapname -> char_to_long;
+	findswapname -> expand_env;
+	findswapname -> char_to_long;
+	findswapname -> close;
+	findswapname -> vim_strchr;
+	findswapname -> os_path_exists;
+	findswapname -> verb_msg;
+	findswapname -> has_autocmd;
+	findswapname -> do_swapexists;
+	findswapname -> attention_message;
+	findswapname -> flush_buffers;
+	findswapname -> _;
+	findswapname -> _;
+	findswapname -> strlen;
+	findswapname -> strlen;
+	findswapname -> strlen;
+	findswapname -> xmalloc;
+	findswapname -> memcpy;
+	findswapname -> home_replace;
+	findswapname -> xstrlcat;
+	findswapname -> do_dialog;
+	findswapname -> xfree;
+	findswapname -> msg_reset_scroll;
+	findswapname -> os_remove;
+	findswapname -> os_path_exists;
+	findswapname -> msg_puts;
+	findswapname -> wait_return;
+	findswapname -> emsg;
+	findswapname -> XFREE_CLEAR;
+	findswapname -> os_isdir;
+	findswapname -> os_mkdir_recurse;
+	findswapname -> os_strerror;
+	findswapname -> xfree;
+	findswapname -> xfree;
+	makeswapname -> resolve_symlink;
+	makeswapname -> STRLEN;
+	makeswapname -> after_pathsep;
+	makeswapname -> make_percent_swname;
+	makeswapname -> modname;
+	makeswapname -> xfree;
+	makeswapname -> modname;
+	makeswapname -> get_file_in_dir;
+	makeswapname -> xfree;
+	resolve_symlink -> STRLCPY;
+	resolve_symlink -> semsg;
+	resolve_symlink -> readlink;
+	resolve_symlink -> vim_FullName;
+	resolve_symlink -> path_is_absolute;
+	resolve_symlink -> STRCPY;
+	resolve_symlink -> path_tail;
+	resolve_symlink -> STRLEN;
+	resolve_symlink -> STRCPY;
+	resolve_symlink -> vim_FullName;
+	make_percent_swname -> FUNC_ATTR_NONNULL_ARG;
+	make_percent_swname -> fix_fname;
+	make_percent_swname -> xstrdup;
+	make_percent_swname -> MB_PTR_ADV;
+	make_percent_swname -> vim_ispathsep;
+	make_percent_swname -> concat_fnames;
+	make_percent_swname -> xfree;
+	make_percent_swname -> xfree;
+	do_swapexists -> set_vim_var_string;
+	do_swapexists -> set_vim_var_string;
+	do_swapexists -> apply_autocmds;
+	do_swapexists -> set_vim_var_string;
+	do_swapexists -> get_vim_var_str;
+	attention_message -> assert;
+	attention_message -> emsg;
+	attention_message -> msg_puts;
+	attention_message -> msg_home_replace;
+	attention_message -> msg_puts;
+	attention_message -> swapfile_info;
+	attention_message -> msg_puts;
+	attention_message -> msg_outtrans;
+	attention_message -> msg_puts;
+	attention_message -> os_fileinfo;
+	attention_message -> msg_puts;
+	attention_message -> msg_puts;
+	attention_message -> msg_puts;
+	attention_message -> msg_puts;
+	attention_message -> msg_puts;
+	attention_message -> msg_puts;
+	attention_message -> msg_puts;
+	attention_message -> msg_outtrans;
+	attention_message -> msg_puts;
+	attention_message -> msg_puts;
+	attention_message -> msg_outtrans;
+	attention_message -> msg_puts;
+	swapfile_info -> assert;
+	swapfile_info -> os_fileinfo;
+	swapfile_info -> os_get_uname;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_outtrans;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_puts;
+	swapfile_info -> os_open;
+	swapfile_info -> read_eintr;
+	swapfile_info -> STRNCMP;
+	swapfile_info -> msg_puts;
+	swapfile_info -> ml_check_b0_id;
+	swapfile_info -> msg_puts;
+	swapfile_info -> ml_check_b0_strings;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_outtrans;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_outtrans;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_outtrans;
+	swapfile_info -> char_to_long;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_outnum;
+	swapfile_info -> os_proc_running;
+	swapfile_info -> msg_puts;
+	swapfile_info -> b0_magic_wrong;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_puts;
+	swapfile_info -> close;
+	swapfile_info -> msg_puts;
+	swapfile_info -> msg_putchar;
+	ml_check_b0_strings -> memchr;
+	ml_check_b0_strings -> memchr;
+	ml_check_b0_strings -> memchr;
+	ml_check_b0_strings -> memchr;
+	ml_new_ptr -> mf_new;
+	ml_new_ptr -> sizeof;
+	ml_new_data -> assert;
+	ml_new_data -> mf_new;
+}
\ No newline at end of file
diff --git a/out.png b/out.png
new file mode 100644
index 0000000..5ccc0fd
Binary files /dev/null and b/out.png differ
diff --git a/test.c b/test.c
new file mode 100644
index 0000000..1de66fc
--- /dev/null
+++ b/test.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+
+int aurevoir(void)
+{
+	return 42;
+}
+
+void bonjour(void)
+{
+	puts("Bonjour !");
+	aurevoir();
+}
+
+void bye(void)
+{
+	puts("Byte...");
+}
+
+void hello(void)
+{
+	puts("Hello, world!");
+	bye();
+	bonjour();
+}
+
+void foo(void)
+{
+	hello();
+}
+
+int add(int a, int b)
+{
+	aurevoir();
+	return a + b;
+}
+
+int main(void)
+{
+	int res;
+
+	foo();
+
+	res = add(21, 21);
+	printf("%i\n", res);
+
+	return 0;
+}
diff --git a/vec.c b/vec.c
index 20f905f..748eb9f 100644
--- a/vec.c
+++ b/vec.c
@@ -46,11 +46,11 @@ graph_vec new_graph(int cap)
 	return g;
 }
 
-void insert_node(graph_vec *g, int i, fix_str str, bool intern)
+void insert_node(graph_vec *g, fix_str str)
 {
 	++g->n;
 	struct node *n = malloc(sizeof(struct node));
-	n->num = i;
+	n->num = g->n;
 	n->nbs = 0;
 	n->cap = 5;
 	n->succ = malloc(5 * sizeof(nodept));
@@ -87,11 +87,53 @@ void print_node(nodept node)
 {
 	int i;
 	printf("NODE: %s\n", node->func);
-	for (int i = 0; i < node->nbs; ++i) {
+	for (i = 0; i < node->nbs; ++i) {
 		printf("SUCC: %s\n", node->succ[i]->func);
 	}
-	for (int i = 0; i < node->nbs; ++i) {
-		if (node->succ[i]->intern)
+	for (i = 0; i < node->nbs; ++i) {
+		if (node->succ[i] != node && node->succ[i]->nbs != 0)
 			print_node(node->succ[i]);
 	}
 }
+
+		// fprintf(fp, "\t%s -> %s;\n", node->func, node->succ[i]->func);
+void write_node_dot(FILE *fp, nodept node)
+{
+	int i;
+	for (i = 0; i < node->nbs; ++i) {
+		fprintf(fp, "\t%s -> %s;\n",  node->func, node->succ[i]->func);
+	}
+	for (i = 0; i < node->nbs; ++i) {
+		if (node->succ[i] != node && node->succ[i]->nbs != 0)
+			write_node_dot(fp, node->succ[i]);
+	}
+}
+
+void dot_graph(nodept node)
+{
+	FILE *fp;
+	int i;
+
+	fp = fopen("graph.dot", "w");
+
+	fprintf(fp, "digraph main {\n");
+	write_node_dot(fp, node);
+	// for (i = 0; i < node->nbs; ++i) {
+	// 	fprintf(fp, "\t%s -> %s;\n", node->func, node->succ[i]->func);
+	// }
+	// for (i = 0; i < node->nbs; ++i) {
+	// 	if (node->succ[i] != node && node->succ[i]->nbs != 0) {
+	// 		write_node_dot(fp, node->succ[i]);
+	// 		fprintf(fp, "\n\t%s ", node->succ[i]->func);
+	//
+	// 		for (int j = 0; j < node->succ[i]->nbs; ++j) {
+	// 			fprintf(fp, "-> %s ", node->succ[i]->succ[j]->func);
+	// 		}
+	//
+	// 		fprintf(fp, ";\n");
+	// 	}
+	// }
+	fprintf(fp, "}");
+
+	fclose(fp);
+}
diff --git a/vec.h b/vec.h
index 58f4baa..083f62a 100644
--- a/vec.h
+++ b/vec.h
@@ -11,7 +11,6 @@ struct nodes {
 };
 
 struct node {
-	bool intern;
 	int num;	  // le numero de noeud
 	int nbs;	  // nombre de successeurs
 	fix_str func; // noms de fonctions
@@ -23,7 +22,8 @@ struct node *new_node(int num);
 void delete_node(struct node *n);
 void insert_succ(graph_vec *g, int i, int i1, fix_str str);
 graph_vec new_graph(int cap);
-void insert_node(graph_vec *g, int i, fix_str str, bool intern);
+void insert_node(graph_vec *g, fix_str str);
 void delete_graph(graph_vec *g);
 int is_in(graph_vec g, fix_str func);
 void print_node(nodept node);
+void dot_graph(nodept node);