Here is a list of all macros with links to the files they belong to:

• PH_API : ph_c_core.h
• PH_MAX_FRAME_DATA_NAME_SIZE : ph_c_core_types.h
• PH_MAX_NAME_LENGTH : ph_c_core.h
• PH_NUM_RENDER_LAYERS : ph_c_core.h
• PH_NUM_RENDER_STATE_INTEGERS : ph_c_core.h
• PH_NUM_RENDER_STATE_REALS : ph_c_core.h