Tuesday, July 28, 2009

Using command prompt commands in C programming?

I program with dev c++ and I know that there is a function that lets me use command prompt commands in a C program. What is this function?

Using command prompt commands in C programming?
operating system commands can be done by the exec*() and spawn*() function family.





command line input is captured thusly:





int main(int argc, char *argv[])


{


printf("This should print the last cmd line arg: %s\n,"


argv[argc-1]);





... or ...


cout %26lt;%26lt; "This should print the last cmd line arg: " %26lt;%26lt; argv[argc-1] %26lt;%26lt; endl ;





}
Reply:are you talking about arguments? If so, its args[x]


where x represents the arg you are referencing.





Actually, this is how you do it in JAVA, so it may be different for what you need.


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