PFNGLSHADERBINARYPROC

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C)
alias PFNGLSHADERBINARYPROC = void function(GLsizei count, const(GLuint)* shaders, GLenum binaryformat, const(GLvoid)* binary, GLsizei length)

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