PROGRAM IN C TO SHOW THE USE OF FUNCTIONS—-”isdigit, isalpha, isalnum, and isxdigit'

/*…Hey guy’s this is a simple program the code look’s like very difficult but it is very simple…*/

#include <stdio.h>
#include <ctype.h>

/*….Main Function Start’s..*/
void main()
{ 
printf( “%s\n%s%s\n%s%s\n\n”, “According to isdigit: “,isdigit( ’8′ ) ? “8 is a ” : “8 is not a “, “digit”,isdigit( ‘#’ ) ? “# is a ” : “# is not a “, “digit” );
printf( “%s\n%s%s\n%s%s\n%s%s\n%s%s\n\n”, 
“According to isalpha:”,
isalpha( ‘A’ ) ? “A is a ” : “A is not a “, “letter”,

isalpha( ‘b’ ) ? “b is a ” : “b is not a “, “letter”,
isalpha( ‘&’ ) ? “& is a ” : “& is not a “, “letter”,
isalpha( ’4′ ) ? “4 is a ” : 
“4 is not a “, “letter” );

printf( “%s\n%s%s\n%s%s\n%s%s\n\n”,

“According to isalnum:”,
isalnum( ‘A’ ) ? “A is a ” : “A is not a “, 
“digit or a letter”,
isalnum( ’8′ ) ? “8 is a ” : “8 is not a “,

“digit or a letter”,
isalnum( ‘#’ ) ? “# is a ” : “# is not a “,

“digit or a letter” );
printf( “%s\n%s%s\n%s%s\n%s%s\n%s%s\n%s%s\n”,

“According to isxdigit:”,
isxdigit( ‘F’ ) ? “F is a ” : “F is not a “, 
“hexadecimal digit”,
isxdigit( ‘J’ ) ? “J is a ” : “J is not a “, 
“hexadecimal digit”,
isxdigit( ’7′ ) ? “7 is a ” : “7 is not a “, 
“hexadecimal digit”,
isxdigit( ‘$’ ) ? “$ is a ” : “$ is not a “,

“hexadecimal digit”,
isxdigit( ‘f’ ) ? “f is a ” : “f is not a “, 
“hexadecimal digit” );
getch();
}

/*…Main Function End’s….*/