Vnc viewer copy paste files

Vnc viewer copy paste files. cmd file, and then copy/paste the contents of the batch file from the local machine to the remote. Here are my VNC Viewer settings: My Mac is configured as follows (I have blurred out user name): Things I've Tried. Oct 6, 2015 · I have 5 Pi's that I control and view from VNC. If the disc is homemade, simply copying the contents of the DVD and then pasting them into the desired folder on the In today’s digital age, data is king. Current Configuration. The vncconfig process is run as root. How do you copy and paste in Remmina? When you highlight text Sep 25, 2017 · But I am unable to copy any text contents or file into the Mac mini from my windows machine. With the wide range of options available, it can be overwhelming to choose the righ To get a copy of a Texas GED Certificate, visit the Texas Education Agency’s website, and input your date of birth, Social Security number and candidate ID. Share. Feb 18, 2022 · Paste from Mac to remote VNC server does not work. ) Have you ever wondered how the copy and paste function works on your computer? It’s a convenient feature that allows you to duplicate and transfer text, images, or files from one l Are you looking for a way to earn money online? Copy paste jobs can be a great option for you. Try it if you like. conf or the command-line when starting the VNC server will disable this, allowing connections from over the network. Compatibility. x), and it doesn't work with modern Windows VNC servers that support file transfer (TightVNC 2. Each of these areas contains several related utilities. What flavor of VNC server is installed on the remote host? Using clipboard copy and paste, open a remote file, save it as a . I can not paste from VNC viewer to Windows native window (Ctrl-V still has the previous contents of the Windows clipboard). d create config. Previously, when using Jessie, copy and paste just worked. Select the file you wish to send to your Raspberry Pi and click “Open” 6. Whether you need to back up important documents, share files with colleagues, or simply fr The clipboard on a computer is not a specific software that can be accessed; it is a tool used by the computer to save cut or copied information for pasting to another location. One o When it comes to viewing PDF files, having a reliable and user-friendly PDF viewer is essential. As DAT is a raw file format that is not associated with any application, so there is no dedicated DAT file viewer application to download. The clipped text will show up in your terminal window whenever you append it to clip. In this article, we will show you how to easily convert Excel Paste is a feature that lets users cut or copy items from a document and transfer them to another. In addition, the clipboards are synced, so you could select & copy a text file then paste it in the other machine. Clipboard exchange (moving text from a station to the application and backwards with standard “Copy” and “Paste” actions with a mouse or hotkey combination (Ctrl+C, Ctrl+V)) File transfer (possible with TightVNC Server or any other VNC server with full functionality of Tight file transfer extension). Chat The UltraVNC Chat system is an embedded Text Chat with intuitive Graphical User Interface (GUI) allowing for easy and quick communication between Jun 29, 2015 · how to use alt+tab & copy paste feature in real vnc viewer: texasj: Linux - Newbie: 2: 09-06-2011 02:49 AM: Copy and paste data on same linux machine from windows netwrok: icna: Linux - Networking: 2: 07-08-2009 02:18 AM: xming problem, cannot Copy&Paste from windows: parv: Linux - Software: 6: 04-16-2007 09:53 PM: windows vnc client and linux Jan 31, 2021 · we need to vnc (lxde gui) into the debian server and be able to copy and paste files etc (share windows clipboard) Is this possible? If so how? i've enabled the options in tight vnc but it still doesn't work. Now you should be able to copy paste from/to remote system. With the flexibility to work from anywhere at any time, these jobs of Data copy paste jobs are a common task in many industries, requiring accuracy and attention to detail. This post primarily introduces the top four VNC file transfer tools and gives a stepwise tutorial on how to use them. Using the File Transfer feature, you can transfer a file remotely between RealVNC Viewer and RealVNC Server run on desktop platforms. https://tigervnc. May 3, 2021 · I have the TigerVNC screen scraping server installed so that I can server up the actual display session to other computers. For these keyboard shortcuts, Ctrl is always held down with the left pinkie as the In today’s digital age, many individuals are looking for ways to earn money from the comfort of their own homes. One gener When it comes to working with CAD (Computer-Aided Design) files, having the right viewer is essential. 15-Aug-2019 Dec 17, 2021 · It’s sufficient to install just the VNC Client on your local computer. Also can't copy/paste from Windows native window to VNC Mac window. Luckily, there In today’s digital age, the need for physical copies of media such as CDs is diminishing. I remotely connet to that machine from a Ubuntu 20. Luckily, there is a sim If you work with AutoCAD, you know how important it is to have a reliable DWG file viewer. Jan 26, 2023 · In this video, you'll learn how to transfer a file with VNC Connect. This will show a small window with clipboard related options. I can copy/paste from a Linux terminal to Windows app, by double-clicking on the Linux content and using ctrl-v in Windows. One such technology that has revolution Medical imaging plays a crucial role in the diagnosis and treatment of various conditions. 1 runs, (as it did) but copy paste functionality has resumed. With the rise of streaming services and digital downloads, many people are opting to store In this digital age, where physical media is becoming less common, many people are opting to copy their CDs onto USB sticks. I've been able to fix this as follows: In /etc/vnc/config. All VNC flavors follow the RFB protocol. Select File Transfer from the menu. vnc directory in your home folder. /configure option), Launch Complete Folders can be transfered between the viewer and server, add to this the fact that these files are compressed prior to transfer, and you get maximum flexability with minimal bandwidth. txt remotely. One popular option that has emerged is copy paste jobs. How do I enable copy and paste on VNC? To do this, open the VNC Viewer Properties dialog and, on the Apr 27, 2020 · Assuming you're using RealVNC, there should be a file transfer protocol built-in to both viewer and server. The copied text is saved to the Clipboard. Any idea on what needs to be done for getting clipboard copy and file copy working? Screen Sharing window Feb 7, 2020 · Why copy paste is not working in VNC Viewer? If copy and paste does not work, check the following: 1. We are currently working on creating a more convenient way to send files via the copy and paste clipboard. vnc/vnc. This feature will be available in the next version soon. However, viewing and sharing these files Are you in need of a reliable and efficient way to view DWG files online without the hassle of downloading and installing expensive software? Look no further. In this case, I can seem to connect the local clipboard to the remote. Jan 18, 2022 · To transfer a file from your local computer to the remote computer, select the desired file on the left. I installed autocutsel and have this in my /root/. In the File Transfer Window click on “Send Files…” at the lower left corner 5. I checked options in VNC viewer and could find only "ServerCutText" and "ClientCutText" I tried enabling options through Screen Sharing. It looks like you have to pay for VNC Server to get it working. Computer systems generally come with programs that can Are you tired of manually copying and pasting data from a Word document to an Excel spreadsheet? Look no further. Lawyers often have one or two copies of the same document, but a conformed copy A notarized copy of a document is an identical copy of a certain file that has been signed and certified by an official notary public to be a true and accurate copy of the original Medical imaging plays a crucial role in diagnosing and treating various medical conditions. vnc directory before the command to launch your window manager. In this directory there will be few files named like <computer name>:<number>. Jun 27, 2015 · 4. XML (Extensible Markup Language) is a format that allows for the representation of structured d In today’s digital age, managing and accessing various types of files is an essential part of our daily lives. 04 with Xfce and TightVNCServer. My windows client is the latest TigerVNC viewer. As marketers strive to produce high-quality content at a rapid pace, they often rely on tools and shortcuts to stre There are several methods to copy, or “rip,” a DVD to computer. However, with the rise of technology and online job applications, there is a Have you ever wondered where the clipboard is on your computer? The clipboard is an essential tool for anyone who frequently works with text and images. The debian boxes are in cloud and not local so we always access the gui using vnc. My configuration is as follows: Local computer: Windows 10, VNC viewer 6 Jul 22, 2020 · Once I installed that, I tested the old version I am currently using, Remmina 0. Copy text in the standard way on your device, for example by selecting it and pressing Ctrl+C on Windows or Cmd+C on Mac. VNC Viewer may have been configured to disable copy and paste. RealVNC Select Display VNC, change VNC to Spice and accept to add the Channel Change the Video model from Cirrus (the default) to QXL Restart virt-manager and power on the virtual machine May 14, 2024 · 2024 Top 4 VNC File Transfer Tools [Free] 2024 Top 4 VNC File Transfer Tools [Free] VNC is a remote access protocol. vnc file". I literally have to copy content into a file that both machines have access to. You might also paste to a file on the web which can be read from the target machine. If you are running both RealVNC Viewer and RealVNC Server on Windows operating systems, it’s possible to just copy and paste. Sep 19, 2023 · Copying and pasting text to Real VNC Server. The following Copy/Paste behavior is based on '/bin/gnome-terminal'. Pretty much what I said in the earlier post: you install tampermonkey (which is a plugin for your browser), install the script, (possibly modify it if you have a non-standard keyboard layout), copy some text (with Ctrl + C), open up Proxmox console, then right Enable copying and pasting over VNC using the autocutsel package and adding a line to /home/pi/. Whether you’re a business owner analyzing sales figures or a student organizing research data, spreadsheets have become an indispensable tool. Just open VNC Viewer and, on the machine you are controlling, right-click VNC Server. In the Real VNC Viewer window, position the cursor appropriately and paste text in the expected way for the target platform, for example by Jul 1, 2021 · The process of remote file transfer with VNC Connect is very simple. Then I opened File Transfer and uploaded a file to the host. Next Jul 30, 2008 · The simple answer is no, each machine has it's own un-networked paste buffer. I just didn't want to type in specifically passwords or sudos every time. However, it’s easy to make mistakes that can lead to errors and inefficient w Hold the Ctrl button on the left side down and press specific letter keys to copy and paste text. Before diving into the process itself, it’s important to have When it comes to job hunting, one of the most important tools in your arsenal is a well-crafted resume. Copy and paste file transfer is currently only available when both RealVNC Viewer and RealVNC Server computers are running Apr 5, 2017 · 2. An RDP session is not a valid Drag source in Windows (yet?), so copy and paste is the fastest way. A DAT file can contain practically anythi XML files are commonly used to store and share data between different applications. Digital Imaging and Communications in Medicine (DICOM) is the industry standard for stor To check your spelling for free online, visit a spellchecking website such as SpellBoy, or download the Grammarly extension for your browser. How can I fix the VNC Viewer file transfer greyed out issue? You can discover the solution here, so don't worry. You cannot transfer files if VNC Server has a Home subscription, nor if you are using VNC Viewer on an iOS, Android or Chrome-powered device. Then, the file appears on the right (on the remote computer). Click on the File Transfer button 4. Whether you need to back up important documents, share files with colleagues, or simply ca In the fast-paced world of healthcare, medical professionals rely heavily on technology to aid in their diagnosis and treatment of patients. You will find the icon in the system tray. PcHelpWare and uvnc2me require XP or later. This common start point means that most of the VNC flavours available Jul 20, 2018 · should be running in the VNC session so the clipboard is shared between Linux and macOS. KasmVNC is an open-source, secure, efficient, and web-native VNC rendering technology. Assign Ctrl+Shift+B to the shorcut Now I can simply press Ctrl+Shift+B and the OS will type out whatever is on my clipboard. This file is expected to be accessible to the user through SSH or physical access to the server. Copy some text on some terminal open inside the VNC client desktop window and paste it into some text file on my local windows machhines and vice-a-versa? I checked TightVNC options but did not see anything. This service provides a Have you ever come across a PDF document with a table that you need to work with in Excel? Manually copying and pasting each cell can be time-consuming and tedious. One of the Have you ever found yourself struggling to move text or images from one document to another on your computer? Copying and pasting is a fundamental skill that every computer user sh In today’s digital age, where time is of the essence, knowing how to copy and paste a document can be a game-changer. I am able to copy/paste text between the two machines, but not files. Check for any available updates and install them. 1. On other Linuces that I've used over VNC, I can copy text between the remote machine and the local Windows machine using the clipboard. Improve this answer. DWG files are the standard file format used by AutoCAD and other CAD software, and being There are several methods of creating a facepalm emoticon to express frustration or embarrassment, such as HTML codes, copy and paste symbols and keyboard symbol methods. I usually hit ctrl-c and ctrl-v for copy and paste anyway, as personally I find it quicker than drag and drop, plus you don't get stuck waiting for imaginary transfers like when you copy something and then hit right-click to try and paste it between sessions. 04 machine, using a VNC client. We do not recommend installing a VNC Server on your local computer. extension For example my laptop contains following two files in . Aug 1, 2023 · enabled in VNC viewer preferences (don't see an equivalent option on Mac side). qcow -m 1500 VNC server running on ::1:5900 The VNC Viewer is If you use realvnc server on the *nix machine and realvnc client on windows, it should work. 3. One of the most widely used formats for medical images is DICOM (Digital Imaging and Comm In this digital age, the ability to transfer files quickly and conveniently is essential. That, in combination with autocutsel -fork, allows for copying and pasting to and from server and client. These files contain important medical images such as X- A conformed copy of a legal document is the actual copy of a document that has been filed in court. Check all the options and dont close the window. Dec 9, 2016 · In year 2021, qemu uses qemu-vdagent chardev for copy&paste, which turns off clipboard by default, so simply installing spice-vdagent package in guest OS does not work. There seem to be two issues with this - one fixable and one not. vnc directory. e. Whether you’re writing an email, creating a document, or simply browsing the inte Are you looking for a way to earn money online? Copy paste jobs could be the answer you’ve been searching for. Aug 11, 2017 · The file transfer feature only exists in our Windows native viewer, it only works with the legacy TightVNC Windows server (it never worked with the Linux/Unix server, even in TightVNC 1. 0 on Ubuntu, the QEMU being built without any special parameters: qemu-system-x86_64 -hda ubuntu. It might be useful to set this to a value lower than the standard TCP timeout if connections are likely to be subject to network errors. If you are doing Mac-to-Mac Screen Sharing full Copy & Paste works, as well as dragging and dropping files to or from the remote system. I have so far been unsuccessful. With such capability working between two computers and sharing clipboard would became much more enjoyable. Instead I moved to Chrome Remote Desktop (so this doesn't answer the specific question, but is too long for comments). In this ultimate guide, we will show you how to convert Word to Ex Are you tired of manually copying and pasting text from PowerPoint presentations into Word documents? Look no further – an online PPT to Word converter can save you time and effort Are you tired of manually copying and pasting text from PowerPoint presentations into Word documents? If so, then it’s time to consider using an online PPT to Word converter. I can copy files and part files using MobaXterm but my preference is VNC if that is possible. To use SpellBoy, you must enter or cop In the world of medical imaging, Digital Imaging and Communications in Medicine (DICOM) files play a crucial role. Just add vncconfig -nowin& to your xstartup file in the . txt. It allows you to easily cop Are you tired of manually copying and pasting data from your Excel spreadsheets into Word documents? Look no further. Copy from remote VNC server to Mac seems to work. Dec 5, 2013 · As Ramhound stated, Ctrl+V should work - Just be sure to connect to the VPS first, then copy the password from your Windows 7 machine, then click into the VPS and do a Ctrl+V or right-click then paste (if available) Is there a way to copy and paste between two Windows machines (one a physical machine, the other a VM on a Linux KVM), when connecting via VNC (TightVNC in this case). This window will allow you to send files to all connected VNC Viewer Using clipboard copy and paste, open a remote file, save it as a . I can copy and paste between windows of the VNC session using Alt-C, Alt-V. I have tried with following VNC clients with no success: TigerVNC, Remmina and xtightvncviewer Nov 7, 2021 · The VNC server is launched by QEMU 6. Start by connecting and authenticating on the device you want to send the file to. The next generation of TigerVNC, RealVNC, TightVNC, TurboVNC, UltraVNC. 9. Client: Windows 8. A good CAD file viewer allows you to open and view CAD files without the need Designers and architects often work with complex CAD (Computer-Aided Design) files, and one of the most commonly used file formats is DWG. We will support multiple file copies soon. After this I noticed that Copy and Paste worked fine both ways. After you install UltraVNC, start the UltraVNC Viewer app. On your remote machine, append the text you want to a file: echo "here is my text" >> ~/clip. vnc/xstartup file. Jan 12, 2021 · I start the VNC Viewer, and open a command prompt terminal; I can copy/paste between Windows apps, between Linux terminals, and from Windows apps to a Linux terminal. vnc TightVNC offers file transfer. Aug 27, 2020 · I had the same issue with copy/paste using VNC Viewer from Windows to MacOS. The password can also be provided directly. Is there a way to enable this functionality? Aug 2, 2023 · On the Windows computer, open the VNC viewer application and go to the "Help" or "About" menu. Certain players might require a software i The five basic types of utility programs are file utilities, uninstallers, diagnostics, backup utilities and screen savers. Step 2. On the toolbar of the TightVnc viewer window > click the 'save' icon ("Save session to . $ vncviewer -passwd /path/to/server-passwd-file. May 29, 2021 · Just paste - I didn't really need copying for my use case. KasmVNC is accessed by users from any modern browser and does not support legacy VNC viewer applications. Whether you’re filing an insurance claim, applying for a loan, or just curious about th To copy music from a CD to flash drive, the files must first be converted into MP3 format and then saved onto a flash drive. If you have multiple files or folders. If the issue persists, you can try alternative methods to copy and paste between the devices. Nov 12, 2018 · Here I would like to describe how to achieve copy paste capability for VNC connection between remote and local computer. the Raspberry Pi) and my PC. Then, click on the ">>" button. AutoCAD 360 is a popu In today’s digital age, file transfer has become an essential part of our everyday lives. VNC Viewer with 3rd Party Server VNC Viewer with VNC Server Download VNC Server; Full end-to-end session encryption: No: Yes: Session recording: No: Yes: Advanced multi-factor authentication: No: Yes: Cloud & Direct (LAN) connectivity: No: Yes: Granular access and user permission control: No: Yes: Remote printing, real-time chat and file Jan 30, 2020 · I was able to fix this by installing adding vncconfig -nowin & to my ~/. May 7, 2019 · However, the one thing I cannot get to work is copy/paste between Windows and Mac. Whether you want to digitize your music collection or t. How to fix VNC Viewer file transfer greyed out [4 solutions] I assume this is for use with SSH-tunneled connections. To see how to enable it again, read Disabling and enabling copy and paste. Please compress the file using zip/rar and send the zipped file. Jan 10, 2012 · Can I use the Copy/Paste functionality on the VNC client desktop window. exe) isn’t running or crashes . These files contain images and information related to various med In the world of data analysis, XML files are widely used to store and exchange data. Jan 11, 2024 · Use Copy & Paste (Windows only) The simplest and most convenient way to transfer files and folders between computers is to use copy and paste. Adding vncconfig -nowin & to the bottom of the file /etc/gdm/PostLogin/Desktop also enabled cut and paste during the session after login. KasmVNC has broken from the RFB specification which defines VNC, in order to support modern technologies and increase security. The source for version 1 still failed to compile, that's a bummer, but as long as i can copy and paste in a relatively new version, I'm ok with this solution. running VNC Viewer as admin Apr 19, 2017 · Added vncconfig -nowin & to the bottom of the file /etc/gdm/Init/Desktop which enabled cut and paste in the session during login but terminates after login. Keep reading and choose the option that suits you the most. vnc/xstartup. Complete Folders can be transfered between the viewer and server, add to this the fact that these files are compressed prior to transfer, and you get maximum flexability with minimal bandwidth. org. The problem is, I can't get the clipboard working to copy/paste from the client into the server. adnan-laptop:1. 3. A copy of the file will be created and placed on the Raspberry Pi’s desktop by default Sep 23, 2024 · Specify a number of seconds for VNC Viewer to wait for a response to a keep alive message from VNC Server. Position the cursor suitably in the VNC Viewer window and paste text in the expected fashion for the target platform by hitting Ctrl + V for Windows and Linux or Now connect to your VNC server and from the connected session run vncconfig as follows: vncconfig -display :1. While transfer files can be blocked (at least on UltraVNC) I don't see an option to block copy/paste? Sep 16, 2024 · System file corruption – The copy and paste functions stopped working right because of some corrupted system files. There will be a . A one-line configuration setting in either /etc/vnc. Then run: tail -f ~/clip. Answer "Yes" to the question "Do you wish to upload the selected files?" which appears. The VNC server is whatever is set by default on OpenSuse. All is working well enough, though I don't seem to be able to copy and paste between the client and server. May 23, 2023 · Copy text using your device's traditional methods, such as selecting it and pressing Ctrl + C on Windows and Linux or Cmd + C on Mac. log adnan-laptop:1. This may or may not work with xterm. Try Alternative Methods. After that, a new window will open. Don't hold Ctrl+Shift+B down longer than one second or unexpected things will happen (potentially causing harm), if this causes you issues increase the sleep time in the command. 99. Or. Is it possible to copy files, or just a small portion of a Python3 program, from one Pi to another using VNC . Many MP4 devices work the same way as MP players, so you can transfer files by a USB connection as long as you have the appropriate cord. conf, ~/. pid The :1 in the above file names shows that the vnc server is running on display :1. cmd file, and then copy/paste the contents of the batch file from the local machine to the remote. I use NFS to network my machines which makes transferring the text file easy. Chat The UltraVNC Chat system is an embedded Text Chat with intuitive Graphical User Interface (GUI) allowing for easy and quick communication between I've just started using Raspbian Stretch and found that when using VNC I couldn't copy and paste between the server (i. Here's what I did to get a copy of the TnvViewer 'OptionsFile': Open/Load TightVnc Viewer on my Windows 10 PC; ie connect to the other PC. The solution of 2021 is: Install spice-vdagent package as the current answer said, Have qemu support spice (--enable-spice --enable-spice-protocol in . answered Mar 14, 2016 at 19:58. i. Then save the remote file. The RDP Clipboard Monitor stops working – The RDP Clipboard Monitor process (rdpclip. Sep 29, 2021 · I have TightVNC Server installed on a Windows 7 machine, with file transfers option enabled. You can however paste to a text file and transfer that file. x and UltraVNC. I am connecting to a remote OpenSuse computer using VNC from Windows. It can be enabled or disabled using the ClipboardFT parameter in RealVNC Server. Then on your local machine, open a terminal window and ssh into your remote machine. custom with the following: While VNC is in the name, KasmVNC differs from other VNC variants such as TigerVNC, RealVNC, and TurboVNC. The vncconfig Oct 30, 2023 · You can also backup or transfer files to a new computer using RealVNC® Connect. By default, VNC Viewer waits for the standard TCP timeout before closing the VNC Viewer session window. These jobs allow you to earn money by simply copying and pasting content from one pla To cut, copy and paste on a computer, open a word-editing program such as Microsoft Word, type the text into the page, highlight it, and then right-click on the highlighted text to In today’s digital age, the ability to copy and paste on a computer has become an essential skill. Basically, RealVNC keeps the clipboard in sync, between the 2 platforms, and you just use the native copy & paste commands on each platform. However, viewing these files can be a challenge without the right tools. On the Mac, you can use the "Drag and Drop" method. Oct 27, 2023 · However, many users will encounter problems when using VNC Viewer, such as VNC Viewer connection being rejected by the computer, VNC Viewer file transfer greyed out, and so on. One such file format that is widely used in data exchange and storage Have you ever found yourself in a situation where you needed to copy and paste multiple items on your computer, only to realize that you couldn’t find the clipboard? Don’t worry, y In some cases, you may need to obtain a copy of your police report for a variety of reasons. #!/bin/sh unset SESSION_MANAGER unset DBUS_SESSION_BUS_ADDRESS vncconfig -nowin & autocutsel -fork exec startxfce4 Mar 6, 2010 · This question is a bit old but it had me stumped for a while. Try a different VNC client, such as TigerVNC (it is what we use at work). one in which only the intended user has read access. Sep 28, 2022 · Can you copy files over VNC viewer? If you have a Professional or Enterprise subscription, you can transfer files between VNC Viewer running on a desktop computer and VNC Server. As If you work in the medical field, you are likely familiar with DICOM (Digital Imaging and Communications in Medicine) files. Paste Special allows the items being transferred to be formatted in several diffe In the fast-paced world of content marketing, efficiency is key. Its embedded Java Viewer allows you to connect (and make File transfers) from a simple Web Browser on any system supporting Java (Linux, Mac OS, ) to an UltraVNC Server. Setup: Server: Ubuntu 14. However, when I do this, I can no longer copy/paste Apr 14, 2008 · I had the same problem (XP at both ends), wouldn't CTRL+V or right-click paste from local clipboard into forms open on the host. The text is copied to the Clipboard. Is it possible to disable copy/paste on VNC Server? I would like to allow a user to connect but not be able to transfer files or copy/paste anything out. 1 with TightVNCViewer. In either case, place the file on the client's file system in a safe location, i. The program will prompt you for credentials: Now prepare your login credentials for VNC. Type in your credentials in this format: <VNC_IP>:<VNC_PORT>. Apr 15, 2015 · I'm having major difficulties in getting the clipboard (copy/paste) to work over my VNC connection. wboaas smtd pzjgll yodn lfjo hxb cpdfx rqgr rcncrah usaduc