Newlib's strerror function returns an empty string for unknown errnum values as described in [1]. [1]: https://sourceware.org/git/?p=newlib-cygwin.git;a=blob;f=newlib/libc/string/strerror.c;hb=HEAD
Newlib's strerror function returns an empty string for unknown errnum values as described in [1]. [1]: https://sourceware.org/git/?p=newlib-cygwin.git;a=blob;f=newlib/libc/string/strerror.c;hb=HEAD