#include <stdio.h>
#include <stdlib.h>   // for malloc, free
#include <string.h>   // for strlen, strcat

// Creates a single string by concatenating all command line args.

int main(int  argc, char *argv[]) {
  // Compute amount of storage requried for result
  int totalLen = 0;
  for ( int i=0; i < argc; i++ ) {
    totalLen += strlen(argv[i]) + 1; // +1 for trailing blank after each token
  }

  // Allocate storage for result.
  // (+1 for '\0' string terminator)
  char *result = (char*)malloc((totalLen+1) *  sizeof(char));

  // Create teh result string
  *result = '\0';  // turn the storage just allocated into a string
  for ( int i=0; i<argc; i++ ) {
    strcat(result, argv[i]);
    strcat(result, " ");
  }

  printf("\"%s\"\n", result);

  free(result);

  return 0;
}