isspace example in C

Header file:

    ctype.h

Synopsis:

    int isspace (int input)

Description:

    Checks whether the given input is a white space or not.

Standard White Space Characters:

’ ’     space

’\f’    formfeed

’\n’   newline

’\r’   carriage return

’\t’    horizontal tab

’\v’   vertical tab

Return Value:

    TRUE(a non-zero value) on success

    0 on failure.

isspace function C example:

  #include<stdio.h>
  #include<ctype.h>
  int main() {
        char c;
        printf("Enter your input:");
        c = getchar();

        if (isspace(c))
                printf("Given input is a white space character\n");
        else
                printf("not a white space character\n");

        printf("Return value from isspace: %d\n", isspace(c));
        return 0;
  }

  Output:

  Enter your input:
  Given input is a white space character
  Return value from isspace: 8192