For anyone that clicked through to his 1988 question on comp.lang.c ... what was causing what he was happening? I'm assuming something with an old version of gc

For anyone that clicked through to his 1988 question on comp.lang.c ... what was causing what he was happening? I'm assuming something with an old version of gcc, but I can't reprocue it- I get the correct result using both cc and gcc. https://groups.google.com/forum/#!searchin/comp.lang.c/spolsky%7Csort:date/comp.lang.c/BKhAacGNtZI/GLSW-QG_O3MJ https://groups.google.com/forum/#!searchin/comp.lang.c/spols... Are you allowed to use getchar() twice? (seems like a silly question? read on!) ---------------------------------------------------- kangaroo% cat test.c #include <stdio.h> main() { int c; c=getchar(); putchar(c); c=getchar(); putchar(c); putchar('\n'); } kangaroo% gcc test.c kangaroo% echo "Hi" | a.out H^@ kangaroo% cc test.c kangaroo% echo "Hi" | a.out Hi ---------------------------------- Anybody know what's going on?