Declare a public function exported for application use
Declare a function's takes printf style arguments
The separator used in path list strings (ie like in the PATH environment variable)
The maximum length of a valid git path
The string representation of the null object ID
Combinations of these values describe the features with which libgit2 was compiled
Return the version of the libgit2 library being currently used
Query compile time options for libgit2
Set or query a library global option