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Power Programmierung
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Power-Programmierung CD 2 (Tewi)(1994).iso
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small_c
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avail.c
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1987-10-04
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512b
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18 lines
#define NOCCARGC /* no argument count passing */
extern char *Umemptr;
/*
** 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.
*/
avail(abort) int abort; {
char x;
if(&x < Umemptr) {
if(abort) exit('M');
return (0);
}
return (&x - Umemptr);
}