HP 3000 Manuals

HP C/iX Library Reference Manual

isgraph 

Tests whether an argument is a printable nonspace character.

Syntax 

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

Parameters 

c             An argument to be evaluated.  The argument must be
              representable as an unsigned char or the macro EOF.

Return Values 

!=0           The argument passed in c is printable.

0             The argument passed in c is not printable.

Description 

The isgraph function returns a nonzero value if the argument passed in c 
is a printable non-space character; otherwise, the returned value is
zero.

See Also 

isalnum, isalpha, iscntrl, isdigit, islower, isprint, ispunct, isspace,
isupper, isxdigit, ANSI C 4.3.1.5, POSIX.1 8.1

MPE/iX 5.0 Documentation