afma.h
// 5D3 AFMA constants
#define PROP_AFMA 0x80040027
static int8_t afma_buf[0x10];
#define AFMA_MODE afma_buf[0x0]
#define AFMA_PER_LENS_WIDE afma_buf[0x2]
#define AFMA_PER_LENS_TELE afma_buf[0x3]
#define AFMA_ALL_LENSES afma_buf[0x5]