what is size_t in C

Posted by benjamin button on Stack Overflow See other posts from Stack Overflow or by benjamin button
Published on 2010-03-31T05:51:55Z Indexed on 2010/03/31 5:53 UTC
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Hi,

i am getting confused with size_t in C. i know that it is returned by a sizeof operator. But what exactly it is?Is it a datatype? let's say i have a for loop

int i; or size_t i;//which one should i use?

for(i=0;i<some_size;i++)

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