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#include <stdio.h>
#include <string.h>
int
main()
{
static const lens[16] = { 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 4 };
char buf[24];
int words;
for (words = 0; words < 4; ++words)
{
int last;
memset (buf, 'a', words * 4);
for (last = 0; last < 16; ++last)
{
buf[words * 4 + 0] = (last & 1) != 0 ? 'b' : '\0';
buf[words * 4 + 1] = (last & 2) != 0 ? 'c' : '\0';
buf[words * 4 + 2] = (last & 4) != 0 ? 'd' : '\0';
buf[words * 4 + 3] = (last & 8) != 0 ? 'e' : '\0';
buf[words * 4 + 4] = '\0';
if (strlen (buf) != words * 4 + lens[last])
{
printf ("failed for words=%d and last=%d\n", words, last);
return 1;
}
}
}
return 0;
}
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