- re-added ft_putchar/putnbr/putstr without fd

- added const for pointers in these functions

srcs/ft_putchar.c

@@ -0,0 +1,7 @@
+#include "libft.h"
+
+void	ft_putchar(char c)
+{
+	write(1, &c, 1);
+}
+

srcs/ft_putnbr.c

@@ -0,0 +1,17 @@
+#include "libft.h"
+
+void	ft_putnbr(int n)
+{
+	long	l;
+
+	l = n;
+	if (l < 0)
+	{
+		ft_putchar('-');
+		l *= -1;
+	}
+	if (l >= 10)
+		ft_putnbr(l / 10);
+	ft_putchar((l % 10) + '0');
+}
+

srcs/ft_putnbrbase.c

@@ -12,7 +12,7 @@
 
 #include "libft.h"
 
-static int	check(char *base)
+static int	check(const char *base)
 {
 	int i;
 	int j;
@@ -36,7 +36,7 @@ static int	check(char *base)
 	return (0);
 }
 
-void		ft_putnbrbase(int nbr, char *base)
+void		ft_putnbrbase(int nbr, const char *base)
 {
 	int		i;
 	long	n;

srcs/ft_putnbrbase_fd.c

@@ -0,0 +1,48 @@
+#include "libft.h"
+
+static int	check(const char *base)
+{
+	int i;
+	int j;
+
+	i = 0;
+	while (base[i])
+	{
+		j = i + 1;
+		while (base[j])
+		{
+			if (base[i] == base[j])
+				return (0);
+			j++;
+		}
+		if (base[i] == '-' || base[i] == '+')
+			return (0);
+		i++;
+	}
+	if (i >= 2)
+		return (1);
+	return (0);
+}
+
+void		ft_putnbrbase_fd(int nbr, const char *base, int fd)
+{
+	int		i;
+	long	n;
+
+	i = 0;
+	n = nbr;
+	if (check(base))
+	{
+		if (n < 0)
+		{
+			ft_putchar_fd('-', fd);
+			n = -n;
+		}
+		while (base[i])
+			i++;
+		if (n >= i)
+			ft_putnbrbase_fd(n / i, base, fd);
+		ft_putchar_fd(base[n % i], fd);
+	}
+}
+

srcs/ft_putstr.c

@@ -0,0 +1,8 @@
+#include "libft.h"
+
+void	ft_putstr(const char *s)
+{
+	while (s && *s)
+		ft_putchar(*s++);
+}
+

srcs/ft_putstr_fd.c

@@ -16,7 +16,7 @@
 
 #include "libft.h"
 
-void	ft_putstr_fd(char *s, int fd)
+void	ft_putstr_fd(const char *s, int fd)
 {
 	while (s && *s)
 		ft_putchar_fd(*s++, fd);