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.TH LIBSIMPLE_STRRCASESTR 3 libsimple
.SH NAME
libsimple_strrcasestr \- find a substring in a string
.SH SYNOPSIS
.nf
#include <libsimple.h>
char *libsimple_strrcasestr(const char *\fIhaystack\fP, const char *\fIneedle\fP);
#ifndef strrcasestr
# define strrcasestr libsimple_strrcasestr
#endif
.fi
.PP
Link with
.IR \-lsimple .
.SH DESCRIPTION
The
.BR libsimple_strrcasestr ()
function scans the string
.I haystack
the last occurrence of the substring
.IR needle .
.PP
The comparison is case-insensitive.
.SH RETURN VALUE
The
.BR libsimple_strrcasestr ()
function returns the pointer
.I haystack
with a maximal offset such that
.I r
begins with
.IR needle ,
where
.I r
is the returned pointer.
If no such offset exists,
.B NULL
is returned.
.SH ERRORS
The
.BR libsimple_strrcasestr ()
function cannot fail.
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.TS
allbox;
lb lb lb
l l l.
Interface Attribute Value
T{
.BR libsimple_strrcasestr ()
T} Thread safety MT-Safe
T{
.BR libsimple_strrcasestr ()
T} Async-signal safety AS-Safe
T{
.BR libsimple_strrcasestr ()
T} Async-cancel safety AC-Safe
.TE
.SH EXAMPLES
None.
.SH APPLICATION USAGE
None.
.SH RATIONALE
None.
.SH FUTURE DIRECTIONS
None.
.SH NOTES
None.
.SH HISTORY
libsimple 1.0
.SH BUGS
None.
.SH SEE ALSO
.BR libsimple_strrstr (3),
.BR libsimple_strcasestr (3),
.BR libsimple_strrncasestr (3),
.BR libsimple_memrcasemem (3)
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