usr/lib/learn/C/L40.1a

#print
Write a subroutine
        errmess(n)
which looks at its argument and prints
one of the following messages:
  n     message (follow it by a newline)
  1       ?
  2       syntax error
  3       bad syntax error
  4       fatal error
  5       I give up.
anything else   eh?
Leave the routine on errmess.c, compiled and tested
as usual.  Then type "ready".
#once #create Ref
eh?
eh?
I give up.
fatal error
bad syntax error
syntax error
?
#once #create tzaqc.c
main()
{
        errmess (23069);
        errmess (-2000);
        errmess (5);
        errmess (4);
        errmess (3);
        errmess (2);
        errmess (1);
}
#user
cc tzaqc.c errmess.o
a.out >xxx
#cmp Ref xxx
#succeed
/*  a possible solution */
char *message[] = {
        "eh?",
        "?",
        "syntax error",
        "bad syntax error",
        "fatal error",
        "I give up.",
        };
errmess(n)
{
        if (n < 0 || n > 5)
                n = 0;
        printf("%s\n", message[n]);
}
#log
#next
41.1a 10