i have a program that uses malloc/fopen/opendir when i compile this in FC2 and use it on FC1, it segfaults in malloc but it runs fine on both when compiled on FC1 any clues? Regards, Jeetu --------------------------------------------------------------------- Jeetendra Mirchandani, Hostel : H12, C-Wing, Room 616 Graduate Student, Lab Ph : (+91 22) 25764705, 25764733 CSE, IIT Bombay, Mobile : (+91) 98208 78028 Powai, Mumbai, E-mail : jeetu[at] cse.iitb.ac.in INDIA. HomePg : www.cse.iitb.ac.in/jeetu ---------------------------------------------------------------------