V9/libc/gen/lcm.c
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54: V10/libc/gen/lcm.c
54: V8/usr/src/libc/gen/lcm.c
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long lcm(a, b) { long c; if(a==0 && b==0) return(0L); c = a/gcd(a,b)*(long)b; return(c>=0? c: -c); }