regfree Subroutine
Purpose
Frees any memory allocated by the regcomp subroutine associated with the Preg parameter.
Library
Standard C Library (libc. a)
Syntax
#include <regex.h>void regfree ( Preg)
regex_t *Preg;
regex_t *Preg;
Description
The regfree subroutine frees any memory allocated by the regcomp subroutine associated with the Preg parameter. An expression defined by the Preg parameter is no longer treated as a compiled basic or extended regular expression after it is given to the regfree subroutine.
Parameters
| Item | Description |
|---|---|
| Preg | Structure containing the compiled output of the regcomp subroutine. Memory associated with this structure is freed by the regfree subroutine. |