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# FreeType-2.5.3 API Reference

# FreeType's header inclusion scheme

To be as flexible as possible (and for historical reasons), FreeType uses a very special inclusion scheme to load header files, for example
      #include <ft2build.h>

      #include FT_FREETYPE_H
      #include FT_OUTLINE_H
A compiler and its preprocessor only needs an include path to find the file ‘ft2build.h’; the exact locations and names of the other FreeType header files are hidden by preprocessor macro names, loaded by ‘ft2build.h’. The API documentation always gives the header macro name needed for a particular function.