ffsl
int ffsl(long) __pure2;
return (ffsl((long)mask));
ata_ident->pss |= ffsl(psectsz / sectsz) - 1;
cbit = ffsl(set->_bits[i]);
extern int ffsl(long);
high = ffsl(ntohl(v6addr._S6_un._S6_u32[i]));