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fnmatch - match filename or pathname
int fnmatch(const char *pattern, const char *string, int flags);
The fnmatch() function checks whether the string argument matches the
pattern argument, which is a shell wildcard pattern.
The flags argument modifies the behavior; it is the bitwise OR of zero
or more of the following flags:
If this flag is set, treat backslash as an ordinary character,
instead of an escape character.
If this flag is set, match a slash in string only with a slash
in pattern and not by an asterisk (*) or a question mark (?)
metacharacter, nor by a bracket expression () containing a
If this flag is set, a leading period in string has to be
matched exactly by a period in pattern. A period is considered
to be leading if it is the first character in string, or if both
FNM_PATHNAME is set and the period immediately follows a slash.
This is a GNU synonym for FNM_PATHNAME.
If this flag (a GNU extension) is set, the pattern is considered
to be matched if it matches an initial segment of string which
is followed by a slash. This flag is mainly for the internal
use of glibc and is only implemented in certain cases.
If this flag (a GNU extension) is set, the pattern is matched
Zero if string matches pattern, FNM_NOMATCH if there is no match or
another non-zero value if there is an error.
POSIX.2. The FNM_FILE_NAME, FNM_LEADING_DIR, and FNM_CASEFOLD flags
are GNU extensions.
sh(1), glob(3), scandir(3), wordexp(3), glob(7)
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