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Showing content from https://www.tutorialspoint.com/cpp_standard_library/cpp_isprint.htm below:

C++ Locale Library - isprint

It checks if character is printabl and a printable character is a character that occupies a printing position on a display.

Following is the declaration for std::isprint.

int isprint ( int c );

int isprint ( int c );

c − Character to be checked, casted to an int, or EOF.

It returns a value different from zero.

No-throw guarantee − this function never throws exceptions.

In below example for std::isprint.

#include <stdio.h>
#include <ctype.h>
int main () {
   int i=0;
   char str[]="Tutorialspoint.com \n sairamkrishna Mammahe \n";
   while (isprint(str[i])) {
      putchar (str[i]);
      i++;
   }
   return 0;
}

The sample output should be like this −

Tutorialspoint.com  

locale.htm

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