Convert binary format string to int, in C

by

The strtol function in the standard library takes a “base” parameter, which in this case would be 2.

int fromBinary(const char *s) {
  return (int) strtol(s, NULL, 2);
}

(first C code I’ve written in about 8 years 🙂

More Related Contents:

  1. What is wrong in the following program? [closed]
  2. Value changing when I pass array into function
  3. Why is “while ( !feof (file) )” always wrong?
  4. Why should you use strncpy instead of strcpy?
  5. convert big endian to little endian in C [without using provided func] [closed]
  6. Undefined reference to sqrt (or other mathematical functions)
  7. How to simulate an EOF?
  8. How does C Handle Integer Literals with Leading Zeros, and What About atoi?
  9. parallel prefix (cumulative) sum with SSE
  10. Does C support overloading?
  11. listen() ignores the backlog argument?
  12. Store and work with Big numbers in C
  13. The spiral rule about declarations — when is it in error?
  14. Core dumped, but core file is not in the current directory?
  15. Converting an int into a 4 byte char array (C)
  16. In C, what is the correct syntax for declaring pointers?
  17. Time complexity of a recursive algorithm
  18. “UNDEFINED REFRENCE TO clrscr();” [duplicate]
  19. strtok segmentation fault
  20. scanf(“%c”) call seems to be skipped
  21. How can I return a character array from a function in C?
  22. How can I handle SIGCHLD?
  23. How to properly flush stdin in fgets loop
  24. .bss vs COMMON: what goes where?
  25. Segmentation fault in btree implementation
  26. What is the use of .exp and what is the difference between .lib and .dll?
  27. What are scanf(“%*s”) and scanf(“%*d”) format identifiers?
  28. Why do compilers insist on using a callee-saved register here?
  29. Is there a standard way to do an fopen with a Unicode string file path?
  30. ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long unsigned int’ [-Wformat=] [duplicate]

Leave a Comment