fnmatch - match filename or pathname using shell glob rules
Standard C Library (libc, -lc)
fnmatch(const char *pattern, const char *string, int flags);
The fnmatch() function matches patterns according to the globbing rules
used by the shell. It checks the string specified by the string argument
to see if it matches the pattern specified by the pattern argument.
The flags argument modifies the interpretation of pattern and string.
The value of flags is the bitwise inclusive OR of any of the following
constants, which are defined in the include file fnmatch.h.
FNM_NOESCAPE Normally, every occurrence of a backslash (`\') followed by
a character in pattern is replaced by that character. This
is done to negate any special meaning for the character.
If the FNM_NOESCAPE flag is set, a backslash character is
treated as an ordinary character.
FNM_PATHNAME Slash characters in string must be explicitly matched by
slashes in pattern. If this flag is not set, then slashes
are treated as regular characters.
FNM_PERIOD Leading periods in strings match periods in patterns. The
definition of ``leading'' is related to the specification
of FNM_PATHNAME. A period is always ``leading'' if it is
the first character in string. Additionally, if
FNM_PATHNAME is set, a period is ``leading'' if it immediately
follows a slash.
FNM_CASEFOLD The pattern is matched in a case-insensitive fashion.
The fnmatch() function returns zero if string matches the pattern specified
by pattern, otherwise, it returns the value FNM_NOMATCH.
sh(1), glob(3), regex(3)
The fnmatch() function conforms to IEEE Std 1003.2-1992 (``POSIX.2'').
The FNM_CASEFOLD flag is a NetBSD extension.
The fnmatch() function first appeared in 4.4BSD.
The pattern `*' matches the empty string, even if FNM_PATHNAME is specified.
BSD April 28, 1995 BSD
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