/usr/lib/grass70/include/grass/version.h is in grass-dev 7.0.3-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | #define GRASS_VERSION_STRING "@(#) 7.0.3 (2016)"
#define GRASS_VERSION_MAJOR 7
#define GRASS_VERSION_MINOR 0
#define GRASS_VERSION_RELEASE 3
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