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Message: [QUOTE="Jens Kleine, post: 2910633"] Hi, I've been having some problems with system calls. When I create a simple file like this int main(int argc, char *argv[]) { int x; printf("Checking if processor is available..."); if(system(NULL)) puts ("Ok"); else exit (1); x = system("date"); printf("The value returned was: %d.\n", x); return 0; } everything works fine and all the functions I enter are called and executed. But when I include the same code into a larger programme (this is where I need to call another function multiple times) system() doesn't execute the function and just returns some value like 1280 or 32768. Does anybody know what the problem could be? Kind regards, Jens [/QUOTE]