ISASCII(3)                OpenBSD 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'').

OpenBSD 2.6                       May 2, 1991                                1