Frees any memory allocated by the regcomp subroutine associated with the Preg parameter.
Standard C Library (libc. a)
#include <regex.h>
void regfree ( Preg)
regex_t *Preg;
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.
| Preg | Structure containing the compiled output of the regcomp subroutine. Memory associated with this structure is freed by the regfree subroutine. |
The regcomp (regcomp Subroutine) subroutine, regerror (regerror Subroutine) subroutine, regexec (regexec Subroutine) subroutine.
Subroutines Overview and Understanding Internationalized Regular Expression Subroutines in AIX 5L Version 5.2 General Programming Concepts: Writing and Debugging Programs.