.TH PCRE2_SET_SUBSTITUTE_CASE_CALLOUT 3 "26 December 2024" "PCRE2 10.45"
.SH NAME
PCRE2 - Perl-compatible regular expressions (revised API)
.SH SYNOPSIS
.rs
.sp
.B #include <pcre2.h>
.PP
.nf
.B int pcre2_set_substitute_case_callout(pcre2_match_context *\fImcontext\fP,
.B "  PCRE2_SIZE (*\fIcallout_function\fP)(PCRE2_SPTR, PCRE2_SIZE,"
.B "                                 PCRE2_UCHAR *, PCRE2_SIZE,"
.B "                                 int, void *),"
.B "  void *\fIcallout_data\fP);"
.fi
.
.SH DESCRIPTION
.rs
.sp
This function sets the substitute case callout fields in a match context (the
first argument). The second argument specifies a callout function, and the third
argument is an opaque data item that is passed to it. The result of this
function is always zero.
.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.