argv[2] = <C D>
argv[1] = <A BC D>
argv[1] = <A BC D>
+argv[1] = <fooq//barq/>
+argv[1] = <fooq>
+argv[2] = <>
+argv[3] = <barq>
+argv[4] = <>
+argv[1] = <foo!//bar!/>
+argv[1] = <foo!>
+argv[2] = <>
+argv[3] = <bar!>
+argv[4] = <>
+argv[1] = <ooq//arq/>
+argv[1] = <ooq>
+argv[2] = <>
+argv[3] = <arq>
+argv[4] = <>