Minor changes to improve code readability (no actual code changes): + replace 0 with NULL where appropriate (not complete) + remove register declaration while there + add argument names to function prototypes to have a better idea of   what they are used for + add 'const' qualifiers in 3 places
Minor changes to improve code readability (no actual code changes):
+ replace 0 with NULL where appropriate (not complete)
+ remove register declaration while there
+ add argument names to function prototypes to have a better idea of
  what they are used for
+ add 'const' qualifiers in 3 places

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase