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#include <stdio.h> int ispunct(int c);
The function returns nonzero if c is any of:
! " # % & ' ( ) ; < = >> ? [ \ ] * + , - . / : ^ _ { | } ~
The function returns nonzero if c is punctuation otherwise this will return zero which will be equivalent to false.
#include <stdio.h> int main() { if( ispunct( '%' ) ) { printf( "Character % is a punctuation\n" ); } if( ispunct( 'A' ) ) { printf( "Character A is a punctuation\n" ); } return 0; }
It will proiduce following result:
Character % is a punctuation
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