fork download
copy 
  1. // Global, Auto, and Static Variable Declaration Example
  2. #include <stdio.h>
  3.  
  4. int globalvar = 2; // global variable initialized only once
  5. 					// and it's value is always held in memory
  6. //************************************************************
  7. // Function: printit
  8. //
  9. // Description: Justy increments and prints a set of local, 
  10. //				static, and global variables
  11. //
  12. // Parameters: none
  13. //
  14. // Returns: void
  15. //
  16. //*************************************************************
  17.  
  18. void printit ()
  19. {
  20. 	static int staticvar = 2; // static initialized only once
  21. 							// value is always held in memory
  22.  
  23. 	int autovar = 2; // local variable within printit
  24.  
  25. 	globalvar++;
  26. 	staticvar++;
  27. 	autovar++;
  28.  
  29. 	// Timeline 2
  30.  
  31. 	printf ("globalvar = %d \n", globalvar);
  32. 	printf ("staticvar = %d \n", staticvar);
  33. 	printf ("autovar   = %d \n\n", autovar);
  34. } // printit
  35.  
  36. int main ()
  37. {
  38. 	int x; // local variable within main
  39.  
  40. 	// Time Line 1
  41.  
  42. 	// Call print function three times
  43. 	printit();
  44. 	printit();
  45. 	printit();
  46.  
  47. 	x = 5;
  48.  
  49. 	// Time Line 3
  50. 	return (0);
  51. } // main
  52.  
Success #stdin #stdout 0s 5328KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
globalvar = 3 
staticvar = 3 
autovar   = 3 

globalvar = 4 
staticvar = 4 
autovar   = 3 

globalvar = 5 
staticvar = 5 
autovar   = 3
https://ideone.com/JEguvs
language:
C (clang 8.0)
created:
13 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!