FUNCTION_ALIGNMENT
#define HASHFRACTION (FUNCTION_ALIGNMENT / sizeof(unsigned short) == 0 \
? 1 : FUNCTION_ALIGNMENT / sizeof(unsigned short))
#define HISTFRACTION (FUNCTION_ALIGNMENT / sizeof(HISTCOUNTER) == 0 \
? 1 : FUNCTION_ALIGNMENT / sizeof(HISTCOUNTER))
FUNCTION_ALIGNMENT); /* see <machine/profile.h> */
bucket = (cc[0] - map->ppm_lowpc) / FUNCTION_ALIGNMENT;