.TH PCRE_FREE_STUDY 3 "24 June 2012" "PCRE 8.30" .SH NAME PCRE - Perl-compatible regular expressions .SH SYNOPSIS .rs .sp .B #include <pcre.h> .PP .SM .B void pcre_free_study(pcre_extra *\fIextra\fP); .PP .B void pcre16_free_study(pcre16_extra *\fIextra\fP); .PP .B void pcre32_free_study(pcre32_extra *\fIextra\fP); . .SH DESCRIPTION .rs .sp This function is used to free the memory used for the data generated by a call to \fBpcre[16|32]_study()\fP when it is no longer needed. The argument must be the result of such a call. .P There is a complete description of the PCRE native API in the .\" HREF \fBpcreapi\fP .\" page and a description of the POSIX API in the .\" HREF \fBpcreposix\fP .\" page.