troubleshooting Question

Simple scanf question

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hongjunFlag for Singapore asked on
C
33 Comments1 Solution1033 ViewsLast Modified:
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char a;
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scanf("%c",&a);
The above will of course read in a char variable but how to check for instance one key in more than 1 character eg. 'ab'. If he enters more than 1 character, i should flag an error. Please give me the example code.
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