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niteice · Dec 29th, 2006, 10:58 PM

exec() returns whatever the program prints on stdout. So if your program is:

#include <stdio.h>

int main(int argc, char **argv)
{
    fputs("Hello, world!\n", stdout);
}

The return value of exec() is "Hello, world!\n".

Dec 29th, 2006, 10:58 PM	#6
niteice Programmer Join Date: Aug 2005 Posts: 98 Rep Power: 4	exec() returns whatever the program prints on stdout. So if your program is: (Toggle Plain Text) #include <stdio.h> int main(int argc, char argv) { fputs("Hello, world!\n", stdout); } #include <stdio.h> int main(int argc, char argv) { fputs("Hello, world!\n", stdout); } The return value of exec() is "Hello, world!\n".