;
return;
png_default_warning(png_structp png_ptr, png_const_charp warning_message){#ifndef PNG_NO_CONSOLE_IO#  ifdef PNG_ERROR_NUMBERS_SUPPORTED   if (*warning_message == '#')   {     int offset;     char warning_number[16];     for (offset=0; offset<15; offset++)     {        warning_number[offset]=*(warning_message+offset+1);        if (*(warning_message+offset) == ' ')            break;     }     if((offset > 1) && (offset < 15))     {       warning_number[offset-1]='\0';       fprintf(stderr, "libpng warning no. %s: %s\n", warning_number,          warning_message+offset);     }     else       fprintf(stderr, "libpng warning: %s\n", warning_message);   }   else#  endif     fprintf(stderr, "libpng warning: %s\n", warning_message);#else   if (warning_message)     /* appease compiler */ ;#endif   if (png_ptr)      return;}