在 Pascal 语言中，sizeof() 是一种内存容量度量函数，功能是返回一个变量或者类型的大小（以字节为单位）；在 C 语言中，sizeof() 是一个判断数据类型或者表达式长度的运算符。 在Pascal 语言与C语言中，对 sizeof() 的处理都是在编译阶段进行。
网络释义英英释义
Sizeof
- abstract: In the programming languages C and C++, the unary operator sizeof is used to calculate the size of any datatype, measured in the number of bytes required to represent the type. A byte in this context is the same as an unsigned char, and may be larger than 8 bits, although that is uncommon.
以上来源于: WordNet
双语例句原声例句
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An unsigned integer and the result of the sizeof operator.
这是一个无符号整型，是执行size of操作的结果。
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How much is anybody really going to make from a town the sizeof Greenfield, Indiana?
对任何人来讲，在一个只有印第安纳州Greenfield大小的镇子里，你又能作出多少呢？
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The 64-bit return value from sizeof in the following statement is truncated to 32-bits when assigned to bufferSize.
在下面这条语句中，在对 bufferSize 进行赋值时，从 sizeof 返回的 64 位值被截断成了 32 位。
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malloc sizeof So, when I call malloc size of int and int on this system is probably 4 bytes or 32 bits so what am I getting back?
所以，当我调用,在这个系统中int可能是4个字节，或者说32位,那么返回的是什么呢？
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So let me go ahead and rerun sizeof and hit Enter.
我们继续然后返回sizeof，敲Enter键。
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Let's go ahead and run sizeof.
接着运行“run，sizeof“
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