On Sat, Jul 02, 2011 at 05:32:38PM +0100, Dirk Koopman wrote: > But how come I get output at a shell prompt, and not down a pipe (or > a redirection either)? What special magic is occurring here?
If: 1. isatty() is true on the underlying fd of the FILE* and: 2. The string contains \n then printf calls fflush(). In your first instance, stdout was your terminal, and in the second it was one end of a pipe.
