diff --git a/hdrs/libft.h b/hdrs/libft.h
index c9f6803..842c72a 100644
--- a/hdrs/libft.h
+++ b/hdrs/libft.h
@@ -3,21 +3,22 @@
 
 # include <stdlib.h>
 
-typedef struct s_string
-{
-    size_t len;
-    char *data;
-} t_string;
+void *ft_realloc(void *ptr, size_t old_size, size_t new_size);
 
-int     ft_strcmp(const char *s1, const char *s2);
+/* String functions */
 size_t  ft_strlen(const char *s);
-int     ft_putstr(const char *s);
+char    *ft_strdup(const char *s);
+int     ft_strcmp(const char *s1, const char *s2);
+
+/* Character checks and conversions */
+int     ft_isalpha(int c);
+int     ft_isdigit(int c);
 int     ft_islower(int c);
 int     ft_isupper(int c);
 int     ft_tolower(int c);
 int     ft_toupper(int c);
-int     ft_isdigit(int c);
-int     ft_isalpha(int c);
+
+/* Memory functions */
 void    ft_bzero(void *s, size_t n);
 void    *ft_memset(void *s, int c, size_t n);
 void    *ft_memset32(void *s, int c, size_t n);
@@ -25,13 +26,61 @@ void    *ft_memset64(void *s, int c, size_t n);
 void    *ft_memcpy(void *dst, const void *src, size_t n);
 void    *ft_memcpy32(void *dst, const void *src, size_t n);
 void    *ft_memcpy64(void *dst, const void *src, size_t n);
+int     ft_memcmp(const void *s1, const void *s2, size_t n);
+void    *ft_memmove(void *dst, const void *src, size_t n);
+void    *ft_memchr(const void *s, int c, size_t n);
+/* Conversion */
 int     ft_atoi(const char *str);
+
+/* Output functions */
 int     ft_putchar(char c);
+int     ft_putstr(const char *s);
 int     ft_putnbr(int n);
 int     ft_putunbr(unsigned int n);
 int     ft_puthex(unsigned int n, int uppercase);
-void    ft_putptr(void *ptr);
-int	    ft_printf(const char *format, ...);
 int     ft_putaddr(unsigned long n);
+int     ft_putptr(void *ptr);
+int     ft_printf(const char *format, ...);
 
+/* String */
+typedef struct s_string
+{
+    size_t len;
+    char *data;
+} t_string;
+
+/* List */
+typedef struct s_list
+{
+    void *data;
+    struct s_list *next;
+} t_list;
+
+/* List functions */
+t_list *ft_lstnew(void *data);
+void ft_lstpush(t_list **lst, t_list *node);
+void ft_lstunshift(t_list **lst, t_list *node);
+t_list *ft_lstpop(t_list **lst);
+t_list *ft_lstshift(t_list **lst);
+int ft_lstsize(t_list *lst);
+void ft_lstclear(t_list **lst);
+void ft_lstreverse(t_list **lst);
+int ft_lstempty(t_list *lst);
+void ft_lstiter(t_list *lst, void (*f)(void *));
+void ft_lstrm(t_list **lst, void *data, int (*cmp)(void *, void *), void (*del)(void *));
+t_list *ft_lstfind(t_list *lst, void *data, int (*cmp)(void *, void *));
+int ft_lstinsert(t_list **lst, t_list *node, int index);
+t_list *ft_lstget(t_list *lst, int index);
+
+/* Vector */
+typedef struct s_vec
+{  
+    void *data;
+    size_t size;
+    size_t capacity;
+    size_t element_size; 
+} t_vec;
+
+/* Vector functions*/
+t_vec *ft_vecnew(size_t element_size);
 #endif