char *even_chars(const char *src) {
   char *dst = malloc(strlen(src)/2 + 1);
   char *p = dst;
   while (1) {
      if (!*src) break;
      *(p++) = *(src++);
      if (!*src) break;
      src++;  
   }

   *p = 0;
   return dst;
}

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In reply to Re^5: Minimizing the amount of place holders on long identical regex by ikegami
in thread Minimizing the amount of place holders on long identical regex by thanos1983

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