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.TH LIBSIMPLE_STRRNCASECHR 3 libsimple
.SH NAME
libsimple_strrncasechr \- find a character in a string
.SH SYNOPSIS
.nf
#include <libsimple.h>
char *libsimple_strrncasechr(const char *\fIs\fP, int \fIc\fP, size_t \fIn\fP);
#ifndef strrncasechr
# define strrncasechr libsimple_strrncasechr
#endif
.fi
.PP
Link with
.IR \-lsimple .
.SH DESCRIPTION
The
.BR libsimple_strrncasechr ()
function scans the string
.IR s ,
truncated to
.I n
bytes unless it is shorter,
for the last occurence of the character
.I c
(it is converted to a
.BR char ).
If no such character exist in the string,
the string's end is returned.
.PP
The comparison is case-insensitive.
.SH RETURN VALUE
The
.BR libsimple_strrncasechr ()
function returns the pointer
.I s
with a maximal offset such that
.IR tolower(*r)==tolower(c) ,
where
.I r
is the returned pointer, if no such
offset less than
.I n
exists, it returns
.BR NULL .
.SH ERRORS
The
.BR libsimple_strrncasechr ()
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_strrncasechr ()
T} Thread safety MT-Safe
T{
.BR libsimple_strrncasechr ()
T} Async-signal safety AS-Safe
T{
.BR libsimple_strrncasechr ()
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 1.1
.SH BUGS
None.
.SH SEE ALSO
.BR libsimple_strrncasechr_inv (3),
.BR libsimple_strncasechr (3),
.BR libsimple_strrnchr (3),
.BR libsimple_strrcasechr (3),
.BR libsimple_memrcasechr (3)
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