.\" Copyright (c) 1991 The Regents of the University of California. .\" All rights reserved. .\" .\" This code is derived from software contributed to Berkeley by .\" the American National Standards Committee X3, on Information .\" Processing Systems. .\" .\" %sccs.include.redist.man% .\" .\" @(#)isgraph.3 5.4 (Berkeley) 10/27/91 .\" .Dd .Dt ISGRAPH 3 .Os .Sh NAME .Nm isgraph .Nd printing character test (space character exculsive) .Sh SYNOPSIS .Fd #include .Ft int .Fn isgraph "int c"; .Sh DESCRIPTION The .Fn isgraph function tests for any printing character except space. In the ASCII character set, this includes the following characters: .sp .Bl -column \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ .It \&041\ ``!'' \t042\ ``"'' \t043\ ``#'' \t044\ ``$'' \t045\ ``%'' .It \&046\ ``&'' \t047\ ``''' \t050\ ``('' \t051\ ``)'' \t052\ ``*'' .It \&053\ ``+'' \t054\ ``,'' \t055\ ``-'' \t056\ ``.'' \t057\ ``/'' .It \&060\ ``0'' \t061\ ``1'' \t062\ ``2'' \t063\ ``3'' \t064\ ``4'' .It \&065\ ``5'' \t066\ ``6'' \t067\ ``7'' \t070\ ``8'' \t071\ ``9'' .It \&072\ ``:'' \t073\ ``;'' \t074\ ``<'' \t075\ ``='' \t076\ ``>'' .It \&077\ ``?'' \t100\ ``@'' \t101\ ``A'' \t102\ ``B'' \t103\ ``C'' .It \&104\ ``D'' \t105\ ``E'' \t106\ ``F'' \t107\ ``G'' \t110\ ``H'' .It \&111\ ``I'' \t112\ ``J'' \t113\ ``K'' \t114\ ``L'' \t115\ ``M'' .It \&116\ ``N'' \t117\ ``O'' \t120\ ``P'' \t121\ ``Q'' \t122\ ``R'' .It \&123\ ``S'' \t124\ ``T'' \t125\ ``U'' \t126\ ``V'' \t127\ ``W'' .It \&130\ ``X'' \t131\ ``Y'' \t132\ ``Z'' \t133\ ``['' \t134\ ``\'' .It \&135\ ``]'' \t136\ ``^'' \t137\ ``_'' \t140\ ```'' \t141\ ``a'' .It \&142\ ``b'' \t143\ ``c'' \t144\ ``d'' \t145\ ``e'' \t146\ ``f'' .It \&147\ ``g'' \t150\ ``h'' \t151\ ``i'' \t152\ ``j'' \t153\ ``k'' .It \&154\ ``l'' \t155\ ``m'' \t156\ ``n'' \t157\ ``o'' \t160\ ``p'' .It \&161\ ``q'' \t162\ ``r'' \t163\ ``s'' \t164\ ``t'' \t165\ ``u'' .It \&166\ ``v'' \t167\ ``w'' \t170\ ``x'' \t171\ ``y'' \t172\ ``z'' .It \&173\ ``{'' \t174\ ``|'' \t175\ ``}'' \t176\ ``~'' .El .Sh RETURN VALUES The .Fn isgraph function returns zero if the character tests false and returns non-zero if the character tests true. .Sh SEE ALSO .Xr ctype 3 , .Xr ascii 7 .Sh STANDARDS The .Fn isgraph function conforms to .St -ansiC .