This function checks whether the version of libgimpprint that the program
is linked with is equal to the version number passed to it. If the version
is the same, the function returns
NULL. If any of the version
numbers do not match (i.e. the library version is too old or too new), a string containing a desription of the difference is
returned. The first error found is returned. The function checks in the order
major, minor, micro.
This macro returns zero if the version of the libgimpprint headers are greater or equal to the version given as an argument. It returns nonzero if the version of the libgimpprint headers are less than the argument.
These macros are integers holding the version numbers. They should be used for compile-time checking only. To check version numbers at run-time, use the equivalent variables. Note that at present (4.1.x development branch) the library interface version numbers are not used.
These variables hold the library version numbers. Because the version of the library may change on a system using shared libraries, these should be used instead of the equivalent macros when checking the library version at run-time. Note that library interface version numbers are not used in the development branch, but are in the stable branch.
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