From: no.email@nospam.invalid   
      
   dxf  writes:   
   > As a matter of curiosity how and where does C do numeric conversion?   
   > Does it use a temp buffer?  If so, then it must do a copy to the   
   > destination.   
      
   User-supplied buffer, like   
      
      snprintf(buf, bufsize, "%d", n);   
      
   for general printf-style formatting.  There is a GNU extension   
   asprintf(...) which allocates the string with malloc.   
      
   C++ has its own stuff that is much different.   
      
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