Initial commit

include/cmd_utils.h

@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int builtin_func_num();
+int show_author();
+void init_shell();
+int reverse_exit(char **args);
+int reverse_help(char **args);
+char *read_input();
+int reverse_external_execute(char **args);
+void reverse_command(char *args);
+int reverse_execute(char **args);
+char **split_cmd(char *line);
+