rem: return vfs_set_cwd(path,false);
add: return set_cwd(path,false);
context: user_setcwd(const char *upath){	char path[SYS_MAX_PATH_LEN];	int rc;	PRINT(("user_setcwd: path = %p\n", upath));	// Check if userspace address is inside "shared" kernel space	if((addr)upath >= KERNEL_BASE && (addr)upath <= KERNEL_TOP)		return ERR_VM_BAD_USER_MEMORY;	// Copy new path to kernel space	rc = user_strncpy(path, upath, SYS_MAX_PATH_LEN-1);	if (rc < 0)		return rc;	path[SYS_MAX_PATH_LEN-1] = 0;	// Call vfs to set new working directory	return vfs_set_cwd(path,false);}