C++ Locale Library - isblank

Description

It checks if character is blank and a blank character is a space character used to separate words within a line of text.

Declaration

Following is the declaration for std::isblank.

C++98

int isblank ( int c );

C++11

int isblank ( int c );

Parameters

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

Return Value

It returns a value different from zero.

Exceptions

No-throw guarantee − this function never throws exceptions.

Example

In below example for std::isblank.

#include <stdio.h>
#include <ctype.h>
int main () {
   char c;
   int i=0;
   char str[]="Sairam krishna mmammahe\n";
   while (str[i]) {
      c=str[i];
      if (isblank(c)) c='\n';
      putchar (c);
      i++;
   }
   return 0;
}

The sample output should be like this −

Sairam
krishna
mmammahe