host_open
int host_open(const char *path, int flags, int mode);
fd = host_open("/proc/device-tree/reserved-ranges", O_RDONLY, 0);
fd = host_open("/proc/device-tree/chosen/linux,kernel-end", O_RDONLY, 0);
fd = host_open("/proc/device-tree/memory@0/reg", O_RDONLY, 0);
fd = host_open("/proc/device-tree/memory/reg", O_RDONLY, 0);
fd = host_open(dir, O_RDONLY, 0);
desc->d_unit = host_open(fn, O_RDWR, 0);
hf->hf_fd = host_open(path, HOST_O_RDONLY, 0);
fd = host_open("/dev/console", HOST_O_RDWR | HOST_O_NOCTTY, 0);
fd = host_open("/sys/firmware/fdt", O_RDONLY, 0);
fd = host_open(path, O_RDONLY, 0);
pfd = host_open(subpath, O_RDONLY, 0);
smbios_fd = host_open("/sys/firmware/dmi/tables/DMI", O_RDONLY, 0);
smbios_fd = host_open("/dev/mem", O_RDONLY, 0);
fd = host_open(fn, HOST_O_RDONLY, 0);
.fo_open = host_open,