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The System Command does not work on the system. It Gives An error saying -1. It Was very quick of you to reply. Kindly reply soon again but with an example. I'll wait for the reply till late night so please be fast b'cos its very very urgent. <br />
Thanx<br />
<br />

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The System Command does not work on the system. It Gives An error saying -1. It Was very quick of you to reply. Kindly reply soon again but with an example. I'll wait for the reply till late night so please be fast b'cos its very very urgent.
Thanx



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Is it for school or something? &nbsp;Why do you need it so fast?<br />
<br />
What operating system are you using? &nbsp;DOS/Windows/Win95/98? &nbsp;If it is any of those, the system command should work. &nbsp;What is the value of the errno variable after you call system?<br />
<br />
A return value of – 1 indicates an error, and errno is set to one of the following values:<br />
<br />
E2BIG Argument list (which is system-dependent) is too big.<br />
<br />
ENOENT Command interpreter cannot be found.<br />
<br />
ENOEXEC Command-interpreter file has invalid format and is not executable.<br />
<br />
ENOMEM Not enough memory is available to execute command; or available memory has been corrupted; or invalid block exists, indicating that process making call was not allocated properly.<br />

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Is it for school or something?  Why do you need it so fast?

What operating system are you using?  DOS/Windows/Win95/98?  If it is any of those, the system command should work.  What is the value of the errno variable after you call system?

A return value of – 1 indicates an error, and errno is set to one of the following values:

E2BIG Argument list (which is system-dependent) is too big.

ENOENT Command interpreter cannot be found.

ENOEXEC Command-interpreter file has invalid format and is not executable.

ENOMEM Not enough memory is available to execute command; or available memory has been corrupted; or invalid block exists, indicating that process making call was not allocated properly.


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How to copy one file from one directory to another directory<br />
through a program in turbo c++ 3.00 ?<br />
Kindly reply fast as its very urgent.<br />
Thanks.
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How to copy one file from one directory to another directory
through a program in turbo c++ 3.00 ?
Kindly reply fast as its very urgent.
Thanks.

Copying a File in turboc c++3.00

C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.