C – ispunct() function

      Prev                                                                                              Next

  • ispunct( ) function in C language checks whether given character is punctuation or not. Syntax for ispunct( ) function is given below.

int ispunct( int x );

Example program for ispunct() function in C:

#include <stdio.h>

int main()
{
   char ch = '!';

   if ( ispunct ( ch ) )
      printf ( "Character is a punctuation character" ) ;
   else
      printf ( "nCharacter is not a punctuation character" ) ;
}

Output:

Character is a punctuation character

..

Other Int, Char validation functions in C language:

  • All “int, char validation functions” used in C language are given below. “ctype.h” header files support all these functions in C language.
  • Click on each function name below for detail description and example programs.
S.no Function Description
1 isalpha() checks whether character is alphabetic
2 isdigit() checks whether character is digit
3 isalnum() checks whether character is alphanumeric
4 isspace() checks whether character is space
5 islower() checks whether character is lower case
6 isupper() checks whether character is upper case
7 isxdigit() checks whether character is hexadecimal
8 iscntrl() checks whether character is a control character
9 isprint() checks whether character is a printable character
10 ispunct() checks whether character is a punctuation
11 isgraph() checks whether character is a graphical character
12 tolower() checks whether character is alphabetic & converts to lower case
13 toupper() checks whether character is alphabetic & converts to upper case

      Prev                                                                                              Next

.