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() macro returns zero if the character tests false and returns
     non-zero if the character tests true.


SEE ALSO

     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 result is undefined.

NetBSD 3.1.1                     June 29, 1991                    NetBSD 3.1.1