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Saturday, 17 March 2012

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


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