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Test Your Knowledge in Computers #610
Difficulty: Medium
Compared to Python, Perl has a relatively small Comprehensive Perl Archive Network (CPAN) library.
True or False?
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wctob(3C)						   Standard C Library Functions 						 wctob(3C)

wctob - wide-character to single-byte conversion SYNOPSIS
#include <stdio.h> #include <wchar.h> int wctob(wint_t c); DESCRIPTION
The wctob() function determines whether c corresponds to a member of the extended character set whose character representation is a single byte when in the initial shift state. The behavior of this function is affected by the LC_CTYPE category of the current locale. See environ(5) RETURN VALUES
The wctob() function returns EOF if c does not correspond to a character with length one in the initial shift state. Otherwise, it returns the single-byte representation of that character. ERRORS
No errors are defined. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe with exceptions | +-----------------------------+-----------------------------+ SEE ALSO
btowc(3C), setlocale(3C), attributes(5), environ(5), standards(5) NOTES
The wctob() function can be used safely in multithreaded applications, as long as setlocale(3C) is not being called to change the locale. SunOS 5.11 14 Aug 2002 wctob(3C)

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