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 $ valgrind ./cepl 
[…]
==28515== Command: ./cepl
==28515== 
==28515== Invalid read of size 1
==28515==    at 0x4C2F142: strlen (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==28515==    by 0x10AA27: main (in /home/user0/Desktop/cepl/cepl)
==28515==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==28515== 
==28515== 
==28515== Process terminating with default action of signal 11 (SIGSEGV): dumping core
==28515==  Access not within mapped region at address 0x0
==28515==    at 0x4C2F142: strlen (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==28515==    by 0x10AA27: main (in /home/user0/Desktop/cepl/cepl)
[…]
Segmentation fault (core dumped)

 $ ./cepl 

CEPL v3.1.1

>>> {;}

./cepl:



int main(int argc, char *argv[])
{
	/* silence -Wunused-parameter warning */
	(void)argc, (void)argv;

	{;

	return 0;
}

/dev/stdin: In function ‘main’:
/dev/stdin:51:1: error: expected declaration or statement at end of input
cepl: compiler returned non-zero exit code at line 89
exit status: 1

int main(int argc, char *argv[])
{
	/* silence -Wunused-parameter warning */
	(void)argc, (void)argv;

	{;}

	return 0;
}