STACK_START      3891 gc.c           # define STACK_LENGTH  (size_t)(STACK_START - STACK_END)
STACK_START      3893 gc.c           # define STACK_LENGTH  (size_t)(STACK_END - STACK_START + 1)
STACK_START      3895 gc.c           # define STACK_LENGTH  ((STACK_END < STACK_START) ? (size_t)(STACK_START - STACK_END) \
STACK_START      3896 gc.c           			: (size_t)(STACK_END - STACK_START + 1))
STACK_START      3916 gc.c               if (p) *p = STACK_UPPER(STACK_END, STACK_START, STACK_END);
STACK_START      4123 gc.c           #define GET_STACK_BOUNDS(start, end, appendix) ((start) = STACK_END, (end) = STACK_START)
STACK_START      4125 gc.c           #define GET_STACK_BOUNDS(start, end, appendix) ((start) = STACK_START, (end) = STACK_END+(appendix))
STACK_START      4128 gc.c               ((STACK_END < STACK_START) ? \
STACK_START      4129 gc.c                ((start) = STACK_END, (end) = STACK_START) : ((start) = STACK_START, (end) = STACK_END+(appendix)))