rem: user_create(const char *upath, int omode, int perms)
add: user_create(const char *userPath, int omode, int perms)
context: user_create(const char *upath, int omode, int perms){	char path[SYS_MAX_PATH_LEN + 1];	int status;	if ((addr)upath >= KERNEL_BASE && (addr)upath <= KERNEL_TOP)		return ERR_VM_BAD_USER_MEMORY;	status = user_strncpy(path, upath, SYS_MAX_PATH_LEN);	if (status < 0)		return status;	path[SYS_MAX_PATH_LEN] = '\0';	return file_create(path, omode, perms, false);}