Posted on 2007-06-28 22:12
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C語言學習歷程
#include <stdio.h>
int main(void)
{
char c;
printf("Enter a single character:\n");
scanf("%c",&c);
if((c>='a'&&c<'z')||(c>='A'&&c<='Z'))
{
printf("It's an alphabetic character .\n");
}
else if(c>'0'&&c<'9')
printf("It's digit.\n");
else
printf("It's a special character.\n");
return 0;
}