Home/ Questions/Q 6028395
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-05-23T04:44:01+00:00

#pragma pack(push) #pragma pack(1) I downloaded a tutorial and it has these lines in

  • 0
 #pragma pack(push)
 #pragma pack(1)

I downloaded a tutorial and it has these lines in the header file.
I will appreciate if you guys can provide me any tutorials or references related to this.

Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    Microsoft’s explanation:

    http://msdn.microsoft.com/en-us/library/aa273913(v=vs.60).aspx

    IBM’s AIX xlC explanation:

    http://publib.boulder.ibm.com/infocenter/comphelp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8a.doc%2Fcompiler%2Fref%2Frnpgpack.htm

    Basically, it determines the byte boundaries that will be used when storing a structure or union. The push/pop acts as a way to store and retrieve these settings on a stack.

    For future reference, you might save yourself some time by searching for the keywords you’re asking as about on the web. All I did to find this information was search for “pragma pack” at http://www.google.com

    • 0