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- #define NOCCARGC /* no argument count passing */
- /*
- ** Return the number of bytes of available memory.
- ** In case of a stack overflow condition, if 'abort'
- ** is non-zero the program aborts with an 'S' clue,
- ** otherwise zero is returned.
- */
-
- external char *zzmem
-
- avail(aburt) int aburt; {
- char x;
- if(&x < zzmem) {
- if(aburt) abort('M');
- return (0);
- }
- return (&x - zzmem);
- }
-