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52 lines
624 B
C
52 lines
624 B
C
#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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extern int backtrace (void **, int);
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static void
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b (void)
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{
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void *v[20];
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int i, n;
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n = backtrace(v, 20);
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for (i = 0; i < n; ++i)
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printf ("[%d] %p\n", i, v[i]);
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}
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static void
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c (void)
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{
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b ();
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}
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static void
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a (int d, ...)
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{
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switch (d)
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{
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case 5:
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a (4, 2,4);
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break;
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case 4:
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a (3, 1,3,5);
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break;
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case 3:
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a (2, 11, 13, 17, 23);
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break;
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case 2:
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a (1);
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break;
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case 1:
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c ();
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}
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}
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int
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main (int argc, char **argv)
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{
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a (5, 3, 4, 5, 6);
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return 0;
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}
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