## Strings

    "foo \"bar\" baz"
    'foo \'bar\' baz'
    "Multi-line strings ending with a \
    are supported too."

## Macro statements

    # include <stdio.h>
    #define PG_locked   0
    #define PG_error    1

## Full example

    #include <stdio.h>
    main(int argc, char *argv[])
    {
       int c;
       printf("Number of command line arguments passed: %d\n", argc);
       for ( c = 0 ; c < argc ; c++)
          printf("%d. Command line argument passed is %s\n", c+1, argv[c]);
       return 0;
    }