Function str_utf8_rewind

server/src/system.c:1846–1855

}

int str_utf8_rewind(const char *str, int cursor)
{
	while(cursor)
	{
		cursor--;
		if(str_utf8_isstart(*(str + cursor)))
			break;
	}
	return cursor;
}

int str_utf8_forward(const char *str, int cursor)
{