#include <errno.h> #include <sys/mount.h> #include <bits/ensure.h> int mount(const char *source, const char *target, const char *fstype, unsigned long flags, const void *data) { return 0; } int umount(const char *target) { return umount2(target, 0); } int umount2(const char *target, int flags) { return 0; }