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Test Your Knowledge in Computers #509
Difficulty: Medium
Most programming languages allow you to use whitespace characters (space, tab, etc.) in a variable's identifier.
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wcscmp(3) [centos man page]

WCSCMP(3)						     Linux Programmer's Manual							 WCSCMP(3)

NAME
wcscmp - compare two wide-character strings SYNOPSIS
#include <wchar.h> int wcscmp(const wchar_t *s1, const wchar_t *s2); DESCRIPTION
The wcscmp() function is the wide-character equivalent of the strcmp(3) function. It compares the wide-character string pointed to by s1 and the wide-character string pointed to by s2. RETURN VALUE
The wcscmp() function returns zero if the wide-character strings at s1 and s2 are equal. It returns an integer greater than zero if at the first differing position i, the corresponding wide-character s1[i] is greater than s2[i]. It returns an integer less than zero if at the first differing position i, the corresponding wide-character s1[i] is less than s2[i]. CONFORMING TO
C99. SEE ALSO
strcmp(3), wcscasecmp(3), wmemcmp(3) COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. GNU
1999-07-25 WCSCMP(3)

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WCSCMP(3)						     Linux Programmer's Manual							 WCSCMP(3)

NAME
wcscmp - compare two wide-character strings SYNOPSIS
#include <wchar.h> int wcscmp(const wchar_t *s1, const wchar_t *s2); DESCRIPTION
The wcscmp() function is the wide-character equivalent of the strcmp(3) function. It compares the wide-character string pointed to by s1 and the wide-character string pointed to by s2. RETURN VALUE
The wcscmp() function returns zero if the wide-character strings at s1 and s2 are equal. It returns an integer greater than zero if at the first differing position i, the corresponding wide-character s1[i] is greater than s2[i]. It returns an integer less than zero if at the first differing position i, the corresponding wide-character s1[i] is less than s2[i]. ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7). +----------+---------------+---------+ |Interface | Attribute | Value | +----------+---------------+---------+ |wcscmp() | Thread safety | MT-Safe | +----------+---------------+---------+ CONFORMING TO
POSIX.1-2001, POSIX.1-2008, C99. SEE ALSO
strcmp(3), wcscasecmp(3), wmemcmp(3) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. GNU
2015-08-08 WCSCMP(3)

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