zigux

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This PR fixes the issue where the `isatty` syscall was never returning `EBADF`, even when `fd` was an invalid file descriptor. Resolves #4.

Kyota-exe

isatty syscall sometimes does not return the correct error

1

The `isatty` system call currently returns `ENOTTY` even when `fd` is not a valid file descriptor. It should be returning `EBADF` in this case (although I doubt any programs really...

Kyota-exe

Getting GCC to run under zigux

4

Currently GCC compiles just fine, but when running it under zigux, the following error is shown: ``` root@zigux /$ gcc gcc: fatal error: cannot read spec file '/usr/lib/gcc/x86_64-zigux/12.1.0/specs': No such...

48cf