Question

I am new to C programming. In my program below, I am simply trying to immediately, exit the C program without see any additional dialog, if the programs receives the input “quit”.

I am trying to accomplish this using exit(0); however, before the program exits it outputs something like

success
process exited with return value 0
Press any key to continue...

I am trying to avoid this dialog and exit the program immediately. Is this possible?

I appreciate any help with this.

Many thanks in advance!

My C Code:

#include <stdio.h>
#include <string.h>
#include <stdlib.h>


int main(void)  {
    char command1[256], command2[256];
    printf("# ");
    scanf("%s", command1);
    if(strcmp(command1,"quit")==0){
        printf("success");
        exit(0);
    }else{
        printf("unknown command");
    }

system("PAUSE");
return 0;

}

Answer 1

The message that you see is actually generated by the Visual Studio debugger. It’s not really coming from your program.

If you would like to verify that your program is not actually displaying any message (nor waiting for a key press) just try running it from a windows command prompt. You may also try running the program in “Release” mode from withing Visual Studio. That will also confirm this.

The reason the debugger displays that information is just to help you understand what is going on with your program.