Syntax

  #include <ctype.h>  
   
  int isspace  (  
     int   c);
  

Parameters

c

(IN) Specifies the character to be tested.

Return Values

isspace returns a nonzero value when the argument is one of the indicated white-space characters. Otherwise, a value of 0 is returned.

Remarks

The isspace function or macro tests for the following white-space characters:

See Also

isalnum, isalpha, iscntrl, isdigit, islower, isprint, ispunct, isupper, isxdigit, tolower, toupper

Example

  #include <stdlib.h>  
  #include <ctype.h>  
  #include <stdio.h>  
   
  main()  
  {  
     int i;  
     while((i = getch()) != ’0’)  
     printf("%s\r\n",isspace(i) ? "yes" : "no");  
  }