Hello I cannot use scanf with long long int, the negative integer are not scanned correctly see the program below. I'm using the cygwin version 1.3.2 on WindowsNT Thanks for your help Tanguy Risset #include<stdio.h> int main() { long long int x; scanf("%lld",&x); printf("x == %lld\n",x); return; } execution: gcc test1.c a -1 x == 4294967295 -- | Tanguy Risset Tel (from France): 02-99-84-74-60 | Irisa Tel (not from France): +33 2-99-84-74-60 | Campus de Beaulieu Fax: +33-(0)2-99-84-71-71 | 35042 Rennes E-Mail: [EMAIL PROTECTED] | FRANCE http://www.irisa.fr/api/HOMEPAGE/Risset/ -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/