### getopt\_long
-includes `getopt()`, `getsubopt()`, `getopt_long()` and `getopt_long_only`
+includes `getopt()`, `getsubopt()`, `getopt_long()` and `getopt_long_only()`
`getopt_long.h` has additional macros related to argument
-permuting, defining those enables it (GNU behaviour, will still be disabled with `$POSIXLY_CORRECT` set):
+permuting, defining those enables it (GNU behaviour, can still be disabled by setting `$POSIXLY_CORRECT`):
```
#define GETOPT_PERMUTE_ARGS