Trick programs into thinking they're piping to an interactive terminal

trick_tty.c

/**     
 * Overrides the glibc function. Will always return true.
 *
 * Note: Although this should be ok for most applications it can
 * lead to unwanted side effects. It depends on the question
 * why the programm calls isatty()
 *
 * Compiling 
 *          
 * $ gcc -s -fpic -shared -o libtricktty.so trick_tty.c
 *          
 * Installing
 *
 * # cp libtricktty.so /usr/local/lib/
 *
 * Usage 
 *
 * $ alias trick_tty='LD_PRELOAD=/usr/local/lib/libtricktty.so'
 * $ trick_tty <command>
 *
 * From https://stackoverflow.com/a/14694983
 */
int isatty (int param __attribute__((__unused__)))
{       
	return 1;
}