fnmatch - match filename or path name
#include <fnmatch.h> int fnmatch(const char *pattern, const char *string, int flags);
The fnmatch() function matches patterns as described on the fnmatch(5) manual page. It checks the string argument to see if it matches the pattern argument.
The flags argument modifies the interpretation of pattern and string. It is the bitwise inclusive OR of zero or more of the following flags defined in the header <fnmatch.h>.
If not set, the slash character is treated as an ordinary character.
If set, a backslash character will be treated as an ordinary character.
If not set, no special restrictions are placed on matching a period.
If string matches the pattern specified by pattern, then fnmatch() returns 0. If there is no match, fnmatch() returns FNM_NOMATCH, which is defined in the header <fnmatch.h>. If an error occurs, fnmatch() returns another non-zero value.
The fnmatch() function has two major uses. It could be used by an application or utility that needs to read a directory and apply a pattern against each entry. The find(1) utility is an example of this. It can also be used by the pax(1) utility to process its pattern operands, or by applications that need to match strings in a similar manner.
The name fnmatch() is intended to imply filename match, rather than pathname match. The default action of this function is to match filenames, rather than path names, since it gives no special significance to the slash character. With the FNM_PATHNAME flag, fnmatch() does match path names, but without tilde expansion, parameter expansion, or special treatment for period at the beginning of a filename.
The fnmatch() function can be used safely in multithreaded applications, as long as setlocale(3C) is not being called to change the locale.
See attributes(5) for descriptions of the following attributes:
find(1), pax(1), glob(3C), setlocale(3C), wordexp(3C), attributes(5), fnmatch(5), standards(5)
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Created 1996-2023 by Maxim Chirkov
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