static void glBindBuffer(void *, GLenum, unsigned);
static void glBufferData(void *, GLenum, int, const void *, GLenum);
static void glBufferSubData(void *, GLenum, int, int, const void *);
static void glDeleteBuffers(void *, int, const unsigned *);
static void glBindBuffer(void *, GLenum, unsigned);
static void glBufferData(void *, GLenum, int, const void *, GLenum);
static void glBufferSubData(void *, GLenum, int, int, const void *);
static void glDeleteBuffers(void *, int, const unsigned *);