mknodat
int mknodat(int, const char *, mode_t, dev_t);
if (mknodat(ff->ff_dirfd, newname, mode, dev) != 0)
return (mknodat(fd, path, mode, 0));
return (mknodat(AT_FDCWD, path, mode, dev));
int mknodat(int, char *, mode_t, dev_t);
/* 48 */ SYSENT_CI("mknodat", mknodat, 4),
/* 48 */ SYSENT_CI("mknodat", mknodat, 4),
extern int mknodat(int, const char *, mode_t, dev_t);
return (mknodat(AT_FDCWD, fname, fmode, dev));