int isspace(int ch) : isspace « ctype.h « C / ANSI-C

1. C / ANSI-C
2. ctype.h
3. isspace

int isspace(int ch)

 
//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. 

  #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;
  }

         
/*
f

 is white space
d

 is white space
s

 is white space
sa

 is white space
w

 is white space
.
*/ 
           
       

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