str1 = sysinfo(*val1, val2)8 L" {( S; j8 Y. g( b0 x1 p9 c ' o* i4 D+ R. l1 K% G7 h7 ]2 I& C& T. C7 f2 z" a0 T# F2 F
val1 = return 0 on failure, 1 if success; b) c% ^" o9 a6 z" d n/ M
val2 = option for function (mode); x9 S5 N; k. {
str1 = return string based on val2