ISBLANK(3)                     Library Routines                     ISBLANK(3)

NAME

       isblank - space or tab character test

SYNOPSIS

       #include <ctype.h>

       int isblank (int c);

DESCRIPTION

       The isblank function tests for a space or tab character.

RETURN VALUES

       The  isblank function returns zero if the character tests false and re‐
       turns non-zero if the character tests true.

SEE ALSO

       ctype(3), ascii(7)



GNO                            15 September 1997                    ISBLANK(3)