单选题:若有说明“char sl E30]=”abc”,s2[]=”defghi“;”,则在使用函数stcat(sl,s2)后,

  • 题目分类:C语言
  • 题目类型:单选题
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题目内容:
若有说明“char sl E30]=”abc”,s2[]=”defghi“;”,
则在使用函数stcat(sl,s2)后,结果是(  )。 A.sl的内容更新为abcdefghi
B.sl的内容更新为defghi\O
C.sl的内容更新为defghiabc\O
D.sl的内容更新为abcdefghi\O

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