add PIRegularExpression

3rd/pcre2/doc/pcre2_general_context_copy.3

@@ -0,0 +1,30 @@
+.TH PCRE2_GENERAL_CONTEXT_COPY 3 "25 October 2014" "PCRE2 10.45"
+.SH NAME
+PCRE2 - Perl-compatible regular expressions (revised API)
+.SH SYNOPSIS
+.rs
+.sp
+.B #include <pcre2.h>
+.PP
+.nf
+.B pcre2_general_context *pcre2_general_context_copy(
+.B "  pcre2_general_context *\fIgcontext\fP);"
+.fi
+.
+.SH DESCRIPTION
+.rs
+.sp
+This function makes a new copy of a general context, using the memory
+allocation functions in the context, if set, to get the necessary memory.
+Otherwise \fBmalloc()\fP is used. The result is NULL if the memory cannot be
+obtained.
+.P
+There is a complete description of the PCRE2 native API in the
+.\" HREF
+\fBpcre2api\fP
+.\"
+page and a description of the POSIX API in the
+.\" HREF
+\fBpcre2posix\fP
+.\"
+page.