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isascii(3) [osx man page]

ISASCII(3)						   BSD Library Functions Manual 						ISASCII(3)

isascii -- test for ASCII character LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <ctype.h> int isascii(int c); DESCRIPTION
The isascii() function tests for an ASCII character, which is any character between 0 and octal 0177 inclusive. SEE ALSO
ctype(3), iswascii(3), ascii(7) BSD
October 6, 2002 BSD
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