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+.TH PCRE 3
+.SH NAME
+PCRE - Perl-compatible regular expressions
+.SH SYNOPSIS
+.rs
+.sp
+.B #include <pcre.h>
+.PP
+.SM
+.br
+.B int pcre_fullinfo(const pcre *\fIcode\fR, "const pcre_extra *\fIextra\fR,"
+.ti +5n
+.B int \fIwhat\fR, void *\fIwhere\fR);
+
+.SH DESCRIPTION
+.rs
+.sp
+This function returns information about a compiled pattern. Its arguments are:
+
+ \fIcode\fR Compiled regular expression
+ \fIextra\fR Result of \fBpcre_study()\fR or NULL
+ \fIwhat\fR What information is required
+ \fIwhere\fR Where to put the information
+
+The following information is available:
+
+ PCRE_INFO_BACKREFMAX Number of highest back reference
+ PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns
+ PCRE_INFO_FIRSTBYTE Fixed first byte for a match, or
+ -1 for start of string
+ or after newline, or
+ -2 otherwise
+ PCRE_INFO_FIRSTTABLE Table of first bytes
+ (after studying)
+ PCRE_INFO_LASTLITERAL Literal last byte required
+ PCRE_INFO_NAMECOUNT Number of named subpatterns
+ PCRE_INFO_NAMEENTRYSIZE Size of name table entry
+ PCRE_INFO_NAMETABLE Pointer to name table
+ PCRE_INFO_OPTIONS Options used for compilation
+ PCRE_INFO_SIZE Size of compiled pattern
+
+The yield of the function is zero on success or:
+
+ PCRE_ERROR_NULL the argument \fIcode\fR was NULL
+ the argument \fIwhere\fR was NULL
+ PCRE_ERROR_BADMAGIC the "magic number" was not found
+ PCRE_ERROR_BADOPTION the value of \fIwhat\fR was invalid
+
+There is a complete description of the PCRE API in the
+.\" HREF
+\fBpcreapi\fR
+.\"
+page.