diff --git a/hdrs/libft.h b/hdrs/libft.h
index 8b65d36..696caf1 100644
--- a/hdrs/libft.h
+++ b/hdrs/libft.h
@@ -4,6 +4,8 @@
 # include <stdlib.h>
 
 int     ft_strcmp(const char *s1, const char *s2);
+size_t  ft_strlen(const char *s);
+int     ft_putstr(const char *s);
 int     ft_islower(int c);
 int     ft_isupper(int c);
 int     ft_tolower(int c);
@@ -18,5 +20,12 @@ 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_atoi(const char *str);
+int     ft_putchar(char c);
+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);
 
 #endif