C Tutorial/ctype.h/isspace

isspace

Item Value Header file ctype.h Declaration int isspace(int ch); Return returns nonzero if ch is a white-space character, including space, horizontal tab, vertical tab, formfeed, carriage return, or newline character; otherwise zero is returned.

<source lang="cpp">#include <ctype.h>

 #include <stdio.h>
 int main(void)
 {
   char ch;
   for(;;) {
       ch = getchar();
       if(isspace(ch)){
           printf("%c is white space\n", ch);
       }
       if(ch == "."){
           break;
       }
   }
   return 0;
 }</source>