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.H File Extension

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C/C++/Objective-C Header File Icon
File Type
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C/C++/Objective-C Header File
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Rare Uncommon Average Common Very Common
CategoryDeveloper Files
File Format Description

Header file referenced by a C, C++ or Objective-C source code document; may contain variables, constants, and functions that are used by other files within a programming project; allows commonly used functions to be written only once and referenced by other source files when needed.

Program(s) that open .H files
Updated 8/27/2013