host_symlink
int host_symlink(const char *path1, const char *path2);
host_symlink("/proc/self/fd", "/dev/fd");
host_symlink("fd/0", "/dev/stdin");
host_symlink("fd/1", "/dev/stdout");
host_symlink("fd/2", "/dev/stderr");
host_symlink("/tmp", "/run");
host_symlink("/tmp", "/var/tmp");