int open_file(t_ast *node, char *direction)
open file in the context of redirection
char * process_and_reassemble(char *line, t_ms_data *data)
int open_tmp_file(const char *type)
int redirect_out(t_ast *node, t_ms_data *data)
int redirect_in(t_ast *node, t_ms_data *data)
int redirect_append(t_ast *node, t_ms_data *data)
int redirect_here_doc(t_ast *node, t_ms_data *data)