MB
#define MB (1024 * KB)
#define MB (1024 * 1024UL)
#define MB (1024UL * 1024)
#define MB (1024 * 1024UL)
#define MB (1024*1024)
#define MB (1024 * 1024)
#define MB (1UL << 20)
#define MB (1024*1024)
#define MB (1024 * 1024)
#define MB (1024*1024)
#define MB (1024 * 1024)
#define MB M|B /* meta-break */
#define MB (1024 * 1024UL)
MB = 1L,
#define MB (1024 * 1024)
#define MB(n) ((n) * 1024 * 1024)
#define MB(n) ((n) * 1024 * 1024)