8 files changed, 87 insertions, 9 deletions
diff --git a/src/builtin/builtin.c b/src/builtin/builtin.c
new file mode 100644
index 0000000..4889f9c
--- /dev/null
+++ b/src/builtin/builtin.c
@@ -0,0 +1,61 @@
+/**
+** \file      builtin.c
+** \brief     Builtin functions
+*/
+
+#include "minishell.h"
+
+/**
+** \brief      Array storing builtin executable name and associated functions
+*/
+
+static struct s_builtin_entry g_builtin_lookup[] = {
+	{"echo", builtin_echo},
+	{"cd", builtin_cd},
+	{"pwd", builtin_pwd},
+	{"export", builtin_export},
+	{"unset", builtin_unset},
+	{"env", builtin_env},
+	{"exit", builtin_exit},
+};
+
+/**
+** \brief       Call builtin function associated with command name
+** \param argv  Arguments to the builtin 'main', with argv[0] being the executable name
+** \param env   Environment Vector
+** \return      Builtin main return status
+*/
+
+int		builtin_dispatch_run(char **argv, t_env env)
+{
+	size_t	i;
+
+	i = 0;
+	while (i < sizeof(g_builtin_lookup) / sizeof(struct s_builtin_entry))
+	{
+		if (ft_strcmp(g_builtin_lookup[i].name, argv[0]) == 0)
+			return (g_builtin_lookup[i].func(argv, env));
+		i++;
+	}
+	return (BUILTIN_NOT_FOUND);
+}
+
+/**
+** \brief            Check if executable name is a builtin
+** \param exec_name  Executable name
+** \return           True if executable name is a builtin
+*/
+
+bool		builtin_check_exec_name(char *exec_name)
+{
+	size_t	i;
+
+	i = 0;
+	while (i < sizeof(g_builtin_lookup) / sizeof(struct s_builtin_entry))
+	{
+		if (ft_strcmp(g_builtin_lookup[i].name, exec_name) == 0)
+			return (true);
+		i++;
+	}
+	return (false);
+}
diff --git a/src/builtin/cd.c b/src/builtin/cd.c
index 14c38d2..db629b0 100644
--- a/src/builtin/cd.c
+++ b/src/builtin/cd.c
@@ -5,7 +5,7 @@
 
 #include "minishell.h"
 
-int	builtin_cd(t_env env, char **argv)
+int	builtin_cd(char **argv, t_env env)
 {
 	char	*path;
 
diff --git a/src/builtin/echo.c b/src/builtin/echo.c
index b9f2e28..c9e8cc7 100644
--- a/src/builtin/echo.c
+++ b/src/builtin/echo.c
@@ -5,10 +5,11 @@
 
 #include "minishell.h"
 
-int	builtin_echo(char **argv)
+int	builtin_echo(char **argv, t_env env)
 {
 	bool	newline;
 
+	(void)env;
 	newline = ft_strcmp(argv[1], "-n") == 0;
 	if (newline)
 		argv++;
diff --git a/src/builtin/env.c b/src/builtin/env.c
index 3869ead..352e2c3 100644
--- a/src/builtin/env.c
+++ b/src/builtin/env.c
@@ -13,8 +13,9 @@ void	st_print_env_variable(t_ftht_entry *entry)
 	ft_putchar('\n');
 }
 
-int		builtin_env(t_env env)
+int		builtin_env(char **argv, t_env env)
 {
+	(void)argv;
 	ft_htiter(env, st_print_env_variable);
 	return (0);
 }
diff --git a/src/builtin/exit.c b/src/builtin/exit.c
index f4cc4fd..bd41f0f 100644
--- a/src/builtin/exit.c
+++ b/src/builtin/exit.c
@@ -1,4 +1,13 @@
+#include "minishell.h"
+
 /**
 ** \file   exit.c
 ** \brief  `exit` builtin
 */
+
+int                     builtin_exit(char **argv, t_env env)
+{
+	(void)argv;
+	(void)env;
+	return (0);
+}
diff --git a/src/builtin/export.c b/src/builtin/export.c
index c0839b9..1b148a9 100644
--- a/src/builtin/export.c
+++ b/src/builtin/export.c
@@ -5,7 +5,11 @@
 
 #include "minishell.h"
 
-/* int	export(t_env env, char **argv) */
-/* { */
-/* 	return (0); */
-/* } */
+int	builtin_export(char **argv, t_env env)
+{
+	(void)argv;
+	(void)env;
+	/* if (ft_htset(env, ) == NULL) */
+	/* 	return (-1); */
+	return (0);
+}
diff --git a/src/builtin/pwd.c b/src/builtin/pwd.c
index 813c4c6..6e0971f 100644
--- a/src/builtin/pwd.c
+++ b/src/builtin/pwd.c
@@ -5,10 +5,12 @@
 
 #include "minishell.h"
 
-int	builtin_pwd(void)
+int	builtin_pwd(char **argv, t_env env)
 {
 	char	buf[PATH_MAX];
 
+	(void)argv;
+	(void)env;
 	ft_bzero(buf, PATH_MAX);
 	if (getcwd(buf, PATH_MAX) == NULL)
 		return (1);
diff --git a/src/builtin/unset.c b/src/builtin/unset.c
index 64f25f4..1fc5ce1 100644
--- a/src/builtin/unset.c
+++ b/src/builtin/unset.c
@@ -5,7 +5,7 @@
 
 #include "minishell.h"
 
-int	builtin_unset(t_env env, char **argv)
+int	builtin_unset(char **argv, t_env env)
 {
 	if (argv[1] == NULL)
 		return (1);