relix:  Overload resolve_path_at() for C strings
Genie:  Only throw from linkat() within try block
Genie -> relix:  Move copyfileat() system call
Genie -> relix:  Move openat() system call
Genie -> relix:  Move mkdirat() system call
Genie -> relix:  Move renameat() system call
Genie -> relix:  Move faccess() system call
Genie -> relix:  Move fchmodat() system call
Genie -> relix:  Move fchmod() system call
Genie -> relix:  Move fstatat() system call
Genie -> relix:  Move fstat() system call
Genie -> relix:  Move symlinkat() system call
Genie -> relix:  Move _readlinkat() system call
Genie -> relix:  Move unlinkat() system call
Genie -> relix:  Move utimensat() system call
Merge branch 'relix-filing-syscalls'