regfree()

Release memory allocated for a regular expression

Synopsis:

#include <regex.h>

void regfree( regex_t * preg );

Arguments:

preg

A pointer to the regex_t object for the regular expression that you want to free; see regcomp().

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

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This function is in libc.a, but not in libc.so (in order to save space).

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Description:

The regfree() function releases all memory allocated by regcomp() associated with preg.

Examples:

See regcomp().

Classification:

POSIX 1003.1

Contributing author:

Henry Spencer. For copyright information, see Third-Party Copyright Notices in this reference.

See also:

regcomp(), regerror(), regexec()