pub unsafe extern "system" fn clCreateFromGLBuffer(
context: cl_context,
flags: cl_mem_flags,
bufobj: cl_GLuint,
errcode_ret: *mut cl_int,
) -> cl_mempub unsafe extern "system" fn clCreateFromGLBuffer(
context: cl_context,
flags: cl_mem_flags,
bufobj: cl_GLuint,
errcode_ret: *mut cl_int,
) -> cl_mem