 ioctl(fpip_in,FIONREAD,&num); /* see how many chars in buffer. */ 
 if(ioctl(fpip_in,FIONREAD,&num) < 0) /* see how many chars in buffer. */ { perror("ioctl: FIONREAD"); return -1; } 
int pipe_read_ready(){    int num;        ioctl(fpip_in,FIONREAD,&num); /* see how many chars in buffer. */    return num;}
4357	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4357/cb293c4705e0c7b93d3269c59bcf9bbcab7f6278/motif_p.c/clean/motif_p.c