CIS 170 (Devry) help Making Decisions/uophelp.com CIS 170 (Devry) help Making Decisions/uophelp.com | Page 16

6
MNO
2
ABC
7
PQRS
3
DEF
8
TUV
4
GHI
9
WXYZ
If the digit entered is not one of the valid digits or one of the valid letters,
return –1 by value indicating that you have an invalid digit.
A phone number never begins with a 0, so the program should flag an
error if such a number is entered. Make ReadDials() return –2 in this
case.
A phone number never begins with 555, so the program should flag an
error if such a number is entered. Make ReadDials() return –3 in this
case.