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CICA 1995 September (Japanese)
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CICA Shareware for Windows CD-ROM (Walnut Creek) (September 1995) (Japanese) (Disc 2).iso
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POSIX
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MAKE
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FFS.C
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1992-07-02
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311 b
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21 lines
ffs (num)
{
long
temp;
register
i;
for ( temp = (long) num, i = 31; i > -1; i-- )
if ( temp & 1 << i )
return i;
}
#ifdef FFS_TEST
main (argc, argv)
char **argv;
{
printf ("ffs X%dX\n", ffs (0x2));
printf ("ffs X%dX\n", ffs (0x1));
printf ("ffs X%dX\n", ffs (0xf));
}
#endif