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33 lines
435 B
C
33 lines
435 B
C
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#include <setjmp.h>
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#include <stdlib.h>
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#include <stdio.h>
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jmp_buf main_loop;
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void
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abort_to_main_loop (int status)
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{
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longjmp (main_loop, status);
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}
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int
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main (void)
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{
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while (1)
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if (setjmp (main_loop))
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puts ("Back at main loop....");
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else
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do_command ();
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}
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void
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do_command (void)
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{
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char buffer[128];
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if (fgets (buffer, 128, stdin) == NULL)
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abort_to_main_loop (-1);
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else
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exit (EXIT_SUCCESS);
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}
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