[
  {
    "arch": "csky",
    "nr": 50,
    "name": "fchdir",
    "description": "change working directory",
    "abi": "common",
    "entry_point": "sys_fchdir",
    "nargs": 1,
    "arg0": "unsigned int fd",
    "arg1": null,
    "arg2": null,
    "arg3": null,
    "arg4": null,
    "arg5": null,
    "man_page": "https://man7.org/linux/man-pages/man2/fchdir.2.html",
    "source": "https://elixir.bootlin.com/linux/v7.3/A/ident/sys_fchdir",
    "since": "4.20",
    "removed_in": null
  }
]