C / C++ / MFC

#include <stdargs>
void ProcessCommand (char* command, ...)
{
  va_list params; //opaque structure needed to process variable arguments lists

  va_start (params, command); //initialize with the last fixed argument before ellipsis

  // You need to know how many arguments to expect. Assume that args_count function tells you that
  // args_count is your function not some standard function
  int narg=args_count(command);
  for (i=0; i<narg; i++)
  {
    //Get next argument
    QString* pstr = va_arg (params, (QString*));

    // do something with the string
  }
  va_end(params); //cleanup

void ProcessCommand (char* command, int count, ...)

void ProcessCommand (char *command, std::vector<QString*> verify)
{
  for (auto& pstr : verify)
  {
    //do something with it
  }
}

;;;; //this is valid

while (i>0); //spurious semi
 {
   //this is not looped
 }

Quote:

Also, a very popular beginner mistake

int main()
{
  {}
  std::cout << "Hello World!\n";
  {}
}

#ifdef DEBUG
#define Debug qDebug
#else
#define Debug
#endif

/qDebug/ {
  print "#ifdef DEBUG"
  print $0
  print "#endif"
}
!/qDebug/ 

awk -f script.awk source.cpp >new_source.cpp

#include <iostream>
#include <sstream>
using namespace std;

#define STD_DEBUG

#ifdef STD_DEBUG
  #define DBG(txt) cerr << txt
#else
  #define DBG(txt)  \
    do { \
      ostringstream os; \
      os << txt; \
      string s = os.str(); \
      cout << "The debug string: " << s; \
    } while (0) 
#endif

int main()
{
  DBG("foobar = " << 42 << "\n");
}

module1.o : module1.cpp inc1.h inc2.h
  gcc $(CFLAGS) -o module1.o module1.cpp