Using functions isspace, iscntrl, ispunct, isprint, isgraph : char function « Data Type

Using functions isspace, iscntrl, ispunct, isprint, isgraph : char function « Data Type « C Tutorial

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C Tutorial » Data Type » char function

2.15.3.Using functions isspace, iscntrl, ispunct, isprint, isgraph

#include <stdio.h>

#include <ctype.h>



int main()

{

   printf( "%s\n%s%s%s\n%s%s%s\n%s%s\n\n", 

       "According to isspace:", 

       "Newline", isspace( '\n' ) ? " is a " : " is not a ",

       "whitespace character", "Horizontal tab",

       isspace( '\t' ) ? " is a " : " is not a ", 

       "whitespace character",

       isspace( '%' ) ? "% is a " : "% is not a ",

       "whitespace character" );



   printf( "%s\n%s%s%s\n%s%s\n\n", "According to iscntrl:", 

       "Newline", iscntrl( '\n' ) ? " is a " : " is not a ",

       "control character", iscntrl( '$' ) ? "$ is a " : 

       "$ is not a ", "control character" );



   printf( "%s\n%s%s\n%s%s\n%s%s\n\n", 

       "According to ispunct:",

       ispunct( ';' ) ? "; is a " : "; is not a ", 

       "punctuation character",

       ispunct( 'Y' ) ? "Y is a " : "Y is not a ",

       "punctuation character",

       ispunct( '#' ) ? "# is a " : "# is not a ",

       "punctuation character" );



   printf( "%s\n%s%s\n%s%s%s\n\n", "According to isprint:",

       isprint( '$' ) ? "$ is a " : "$ is not a ", 

       "printing character", 

       "Alert", isprint( '\a' ) ? " is a " : " is not a ",

       "printing character" );



   printf( "%s\n%s%s\n%s%s%s\n",  "According to isgraph:",

       isgraph( 'Q' ) ? "Q is a " : "Q is not a ",

       "printing character other than a space",

       "Space", isgraph( ' ' ) ? " is a " : " is not a ",

       "printing character other than a space" );



   return 0; 



}

According to isspace:
Newline is a whitespace character
Horizontal tab is a whitespace character
% is not a whitespace character

According to iscntrl:
Newline is a control character
$ is not a control character

According to ispunct:
; is a punctuation character
Y is not a punctuation character
# is a punctuation character

According to isprint:
$ is a printing character
Alert is not a printing character

According to isgraph:
Q is a printing character other than a space
Space is not a printing character other than a space

2.15.char function
	2.15.1.	Using functions islower, isupper, tolower, toupper
	2.15.2.	Using functions isdigit, isalpha, isalnum, and isxdigit
	2.15.3.	Using functions isspace, iscntrl, ispunct, isprint, isgraph

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