How to set the IP address from C in linux

by

The “correct” way for IPv4 without magic +2:

struct sockaddr_in* addr = (struct sockaddr_in*)&ifr.ifr_addr;
inet_pton(AF_INET, "10.12.0.1", &addr->sin_addr);

To use IPv6, cast it to sockaddr_in6

More Related Contents:

  1. What is the octet mode in TFTP?
  2. C – list all files in current directory then move in directory above, list files, and so on until root directory is reached [closed]
  3. Hide password input on terminal
  4. Can I share a file descriptor to another process on linux or are they local to the process?
  5. Pass arguments into C program from command line
  6. Segmentation fault handling
  7. Is there an alternative sleep function in C to milliseconds?
  8. How to compile .c file with OpenSSL includes?
  9. How to print the address of a function?
  10. Clearing output of a terminal program Linux C/C++
  11. How to use printf to display off_t, nlink_t, size_t and other special types?
  12. `bash: ./a.out: No such file or directory` on running executable produced by `ld`
  13. Linking against older symbol version in a .so file
  14. What is the difference between using _exit() & exit() in a conventional Linux fork-exec?
  15. How can you flush a write using a file descriptor?
  16. How to trap unaligned memory access?
  17. Why getch() returns before press any key?
  18. Does linux allow any system call to be made from signal handlers?
  19. How can I get the keyboard state in Linux?
  20. Problem usage memory in C
  21. What are trade offs for “busy wait” vs “sleep”?
  22. Implicit declaration of ‘gets’
  23. Implementing pipe in C
  24. Pipe two or more shell commands in C using a loop
  25. What can cause a “Resource temporarily unavailable” on sock send() command
  26. Returning struct containing array
  27. C: Different implementation of clock() in Windows and other OS?
  28. How to read terminal’s input buffer immediately after keypress
  29. What is ‘:-!!’ in C?
  30. Where can I find system call source code?

Leave a Comment