#define readFourcc(_f) dread(_f, sizeof(RIFF_FOURCC), 1)
#define cmpID(_x, _y) \
strncmp((char *) (_x), (char *) (_y), sizeof(RIFF_FOURCC))
#define readFourcc(_f) dread(_f, sizeof(RIFF_FOURCC), 1)
#define cmpID(_x, _y) \
strncmp((char *) (_x), (char *) (_y), sizeof(RIFF_FOURCC))