C LANGUAGE - TO CHECK GIVEN CHARACTER IS ALPHANUMERIC OR NOT?
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// check whether the given character is Alphanumeric or not
#include <stdio.h>
#include <conio.h>
#include <ctype.h>
int main()
{
int ch;
clrscr();
printf( "\n Enter a character ::: " );
ch = getchar();
if( isalnum( ch ) )
{
printf( "\n It is alpha-numeric character.\n" );
}
else
{
printf( "\n This is not an alpha-numeric character.\n" );
}
getch();
return 0;
}
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