isprint(3) - NetBSD Manual Pages

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ISPRINT(3)              NetBSD Library Functions Manual             ISPRINT(3)


NAME

     isprint -- printing character test (space character inclusive)


LIBRARY

     Standard C Library (libc, -lc)


SYNOPSIS

     #include <ctype.h>

     int
     isprint(int c);


DESCRIPTION

     The isprint() function tests for any printing character including space
     (' ').


RETURN VALUES

     The isprint() function returns zero if the character tests false and
     returns non-zero if the character tests true.


SEE ALSO

     ctype(3), isalnum(3), isalpha(3), isascii(3), isblank(3), iscntrl(3),
     isdigit(3), isgraph(3), islower(3), ispunct(3), isspace(3), isupper(3),
     isxdigit(3), stdio(3), toascii(3), tolower(3), toupper(3), ascii(7)


STANDARDS

     The isprint() function conforms to ANSI X3.159-1989 (``ANSI C89'').


CAVEATS

     The argument to isprint() must be EOF or representable as an unsigned
     char; otherwise, the behavior is undefined.  See the CAVEATS section of
     ctype(3) for more details.

NetBSD 8.0                      April 17, 2008                      NetBSD 8.0