C / C ++isblank() in

The functionisblank()It is used to check if the passed character is a blank. It is basically a space character and also considers tab characters (\t). This function is declared in the "ctype.h" header file of C ++declared in the "cctype" header file of the language.

This isisblank()C ++language syntax,

int isblank(int char);

This isisblank()C ++language example,

Example

#include <ctype.h>
#include <iostream>
using namespace std;
int main() {
　　　string s = "The space between words. ";
　　　int i = 0;
　　　int count = 0;
　　　while(s[i]) {
　　　　　　char c = s[i++;
　　　　　　if (isblank(c)) {
　　　　　　　　　count++;
　　　　　　{}
　　　{}
　　　cout << "\nNumber of blanks in sentence: " << count << endl;
　　　return 0;
{}

Output result

Number of blanks in sentence :　4

In the above program, a string is passed in the variable s. This functionisblank()This is used to check for spaces or blank spaces in the passed string, as shown in the following code snippet.

string s = "The space between words. ";
int i = 0;
int count = 0;
while(s[i]) {
　　　char c = s[i++;
　　　if (isblank(c)) {
　　　　　　count++;
　　　{}
{}