includes quotation marks, then by default cmd will sometimes strip off All those quotations, and /s tells it to leave them alone.

Using %s in scanf devoid of an explcit discipline width opens a similar buffer overflow exploit that receives did; particularly, if you will discover extra people while in the input stream when compared to the focus on buffer is sized to hold, scanf will happily produce All those further figures to memory outdoors the buffer, potentially clobbering anything critical. Regretably, contrary to in printf, You cannot supply the sector with being a operate time argument:

But it won't do any hurt, and this means the code would continue to get the job done precisely the same way Regardless how the command becoming passed was altered.

Receive badges by bettering or inquiring queries in Staging Floor. See new badges Exactly what does %s and %d mean in printf during the C language? [shut]

And because your 2nd parameter is empty string "", there's no difference between the output of two cases.

 

What is the origin, precise this means, and reason of labelling the string segment "Archi" within an orchestral rating?

If the value is greater than 4 character positions huge, the sector width expands to support the appropriate variety of figures.

then the string MY_COMMAND will be parsed specifically just as if it had been typed with the command prompt. If you are taking command-line enter from the consumer, or in case you are a library processing a command line provided by an software, that is probably a good idea. As an example, the C runtime library method() function could possibly be implemented in this way.

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So it is not getting rid of quotes all over arguments; It truly is either getting rid of quotes across the route to your EXE you happen to be working, or round the total command line (or potentially across the very first half of your command line, which would be strange).

The kernel does not have the luxurious on the libc library to deal with the Preliminary put in place of various assets.

Andrew HareAndrew Hare 351k7575 gold badges644644 silver badges640640 bronze badges three 15 Note that this sort of string interpolation is deprecated in favor of the greater highly effective str.structure system.

An assembly language is a low-degree programming language for pcs, microprocessors, microcontrollers, as well as other programmable equipment through which Every single assertion corresponds to only one device language instruction.

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The PEP would not say "supplanted" As well as in no A part of the PEP does it say the % operator is deprecated (nonetheless it does say other issues are deprecated down the bottom). You may perhaps want str.structure and that's great, s but right up until there is a PEP stating it truly is deprecated there's no sense in boasting it's when it isn't.