C program to find the character type.

C Program to find the Character types. Here we used the isdidit(), isalpa(), and isspace() functions.isdigit() function returns true if argument is a decimal digit, otherwise false. isalpa() function returns true if argument is a defined set of characters in c, otherwise false. isspace() function returns true if argument is a white space character (one of ‘ ‘ ‘f’ ‘n’ ‘r’ ‘t’ ‘v’), otherwise false. Read more about C Programming Language .

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

#define FALSE 0
#define TRUE 1

/* function declarations */
int char_type(char);

char ch;
/* get a character from the keyboard */
printf(" Please enter a charcater => ");
ch = getc(stdin);

char_type(ch); /* Figure out the character type */

int char_type(char ch)
/* returns non zero if A-Z or a-z */
if ( isalpha(ch) != FALSE)
printf("%c is an Alpha character.n",ch);

/* returns non zero if 0-9 */
if ( isdigit(ch) != FALSE)
printf("%c is a numeric character.n",ch);

/* returns non zero if a space, CR, Tab, NL FF */
if ( isspace(ch) != FALSE)
printf("%c is white spacen", ch);

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