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OSI Layers Diagram, Usefull for Network Programming PDF
Sunday, 26 February 2012
Here is the diagram with OSI Model, usefull when doing network programming.

OSI Model Layers

OSI Model Layers

Note that layers 1, 2, 3, 4 are usualy implemented in kernel and 5, 6, 7 layers are implemented in userland space.
Last Updated ( Sunday, 26 February 2012 )
 
32 bit and 64 bit C variable size PDF
Sunday, 26 February 2012
Here is a table with variable sizes for 32 bit and 64 bit platforms. This table is usefull for UNIX system and network programming.

32bit and 64 bit C variable sizes

Variable sizes for 32 and 64 bit systems

Last Updated ( Sunday, 26 February 2012 )
 

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