题目内容

The following function value is of type ( ). fun (float x) { float y; y= 3*x-4; return y; }

A. int
B. uncertain
C. void
D. float

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Structure variables of the same structure type can be assigned to each other

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If a is a structural variable, you can use scanf(“%ld,%s,%c,%s\n”,&a); to enter the value of a structure variable as a whole.

There is the following definitions and statements: struct workers { int num; char name[20] ; char c; struct { int day; int mont; int year; } s; }; struct workers w, *pw; pw=&w； The statement that can assign 1980 to the year member in w is ( )

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