#include <stdio.h>
#include <ctype.h>
int main()
{
int var1 = 'd';
int var2 = '2';
int var3 = '\t';
int var4 = ' ';
if( isalpha(var1) )
{
printf("var1 = |%c| is an alphabet\n", var1 );
}
else
{
printf("var1 = |%c| is not an alphabet\n", var1 );
}
if( isalpha(var2) )
{
printf("var2 = |%c| is an alphabet\n", var2 );
}
else
{
printf("var2 = |%c| is not an alphabet\n", var2 );
}
if( isalpha(var3) )
{
printf("var3 = |%c| is an alphabet\n", var3 );
}
else
{
printf("var3 = |%c| is not an alphabet\n", var3 );
}
if( isalpha(var4) )
{
printf("var4 = |%c| is an alphabet\n", var4 );
}
else
{
printf("var4 = |%c| is not an alphabet\n", var4 );
}
return(0);
}
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