Use iswblank function to check if a wide character is blank

Syntax

C iswblank function has the following syntax.

Header

C iswblank function is from header file wctype.h.

Description

C iswblank function returns nonzero if ch is blank. By default, the blank characters are space and horizontal tab.

Example

C iswblank function tells if a character is wide character blank.

#include <stdio.h>
#include <wctype.h>
/*from   w ww  .ja  va  2 s.  c o m*/
int main(void)
{
   int wc;

   for (wc=0; wc <= 0xFF; wc++) {
      printf("%3d", wc);
      printf(" %#4x ", wc);
      printf("%3s", iswblank(wc)  ? "AN" : " ");

      putchar('\n');
   }
}