PezConfig PezInitialize()             // One-time setup, return a small struct with window size & title
void PezRender()                      // Do your drawing here!
void PezUpdate(float elapsedSeconds)  // Perform animation and physics

void PezHandleMouse(int x, int y, int action) // Respond to a mouse click or move event
void PezReceiveDrop(const char* filename)     // Respond to a file being drag-n-dropped to your window

void pezFatal(const char* pStr, ...)
void pezCheck(int condition, ...)
void pezPrintString(const char* pStr, ...)

const char* pezOpenFileDialog()
const char* pezGetDesktopFolder()
int pezIsPressing(char key)

const char* pezGetShader(const char* effectKey)
int pezAddDirective(const char* token, const char* directive)

PezVerts pezLoadVerts(const char* filename)
PezVerts pezGenQuad(float left, float top, float right, float bottom)
void pezFreeVerts(PezVerts verts)
void pezSaveVerts(PezVerts verts, const char* filename)

PezPixels pezLoadPixels(const char* filename)
void pezFreePixels(PezPixels pixels)
void pezSavePixels(PezPixels pixels, const char* filename)
void pezRenderText(PezPixels pixels, const char* message)
PezPixels pezGenNoise(PezPixels desc, float alpha, float beta, int n)