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Meaning of the statement
By shuprog1, 10 years ago, In English

What is the meaning of these two macros? ~~~~~

define ifc(x) (flag[x>>6]&(1<<((x>>1)&31)))

define isc(x) (flag[x>>6]|=(1<<((x>>1)&31)))

~~~~~

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10 years ago, # |
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1< 2 ^x
x<<1 -> 2*x
x>>1 -> x/2
x&1 -> x%2
x>>3 -> x/8 (8->2^3)

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