Oracle Solaris Studio 12.2:C++ 用户指南
    
U
 
 U"..." 形式的文本字符串 ( Index Term Link )
 
 -U, 编译器选项 ( Index Term Link ) ( Index Term Link )
 
 ulimit, 命令 ( Index Term Link )
 
 unexpected() 函数 ( Index Term Link )
 
 -unroll=n, 编译器选项 ( Index Term Link )