CO-CODE Hugo-Luke

+ last_exit_status set/get functions for here_doc
+ TODO : replace all occurences of last_exit_status
+ **environ fix
+ builtin_unset() fix

tests/env_var_test.c

@@ -0,0 +1,17 @@
+
+# include <stdio.h>
+# include <stdlib.h>
+
+int	main(int argc, char *argv[], char *envp[])
+{
+	int i;
+
+	printf("argc = %i\n", argc);
+	i = 0;
+	while (argv[i])
+	{
+		printf("%s = |%s|\n", argv[i], getenv(argv[i]));
+		i++;
+	}
+	return (0);
+}