isascii man page on MirBSD
[printable version]
ISASCII(3) BSD Programmer's Manual ISASCII(3)
NAME
isascii - ASCII character test
SYNOPSIS
#include <ctype.h>
int
isascii(int c);
DESCRIPTION
The isascii() function tests for an ASCII character, which is any charac-
ter with a value less than or equal to 0177.
RETURN VALUES
The isascii() macro returns zero if the character tests false or non-zero
if the character tests true.
SEE ALSO
isalnum(3), isalpha(3), isblank(3), iscntrl(3), isdigit(3), isgraph(3),
islower(3), isprint(3), ispunct(3), isspace(3), isupper(3), isxdigit(3),
stdio(3), toascii(3), tolower(3), toupper(3), ascii(7)
STANDARDS
The isascii() function conforms to X/Open Portability Guide Issue 4
("XPG4").
CAVEATS
The argument to isascii() must be EOF or representable as an unsigned
char; otherwise, the result is undefined.
MirOS BSD #10-current May 2, 1991 1
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