ing&nbsp;array&nbsp;-&gt;
&nbsp;&nbsp;&nbsp;&nbsp;Stdlib.in_channel&nbsp;*&nbsp;Stdlib.out_channel&nbsp;*&nbsp;Stdlib.in_channel
&nbsp;&nbsp;val&nbsp;open_process_args_in&nbsp;:&nbsp;string&nbsp;-&gt;&nbsp;string&nbsp;array&nbsp;-&gt;&nbsp;Stdlib.in_channel
&nbsp;&nbsp;val&nbsp;open_process_args_out&nbsp;:&nbsp;string&nbsp;-&gt;&nbsp;string&nbsp;array&nbsp;-&gt;&nbsp;Stdlib.out_channel
&nbsp;&nbsp;val&nbsp;open_process_args&nbsp;:
&nbsp;&nbsp;&nbsp;&nbsp;string&nbsp;-&gt;&nbsp;string&nbsp;array&nbsp;-&gt;&n