.TH LIBSIMPLE_STRCASECHRNUL 3 libsimple
.SH NAME
libsimple_strcasechrnul \- find a character in a string

.SH SYNOPSIS
.nf
#include <libsimple.h>

char *libsimple_strcasechrnul(const char *\fIs\fP, int \fIc\fP);

#ifndef strcasechrnul
# define strcasechrnul libsimple_strcasechrnul
#endif
.fi
.PP
Link with
.IR \-lsimple .

.SH DESCRIPTION
The
.BR libsimple_strcasechrnul ()
function scans the string
.I s
for the first 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_strcasechrnul ()
function returns the pointer
.I s
with a minimal offset such that
.IR tolower(*r)==tolower(c)||!*r ,
where
.I r
is the returned pointer.

.SH ERRORS
The
.BR libsimple_strcasechrnul ()
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_strcasechrnul ()
T}	Thread safety	MT-Safe
T{
.BR libsimple_strcasechrnul ()
T}	Async-signal safety	AS-Safe
T{
.BR libsimple_strcasechrnul ()
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_strcasechrnul_inv (3),
.BR libsimple_strcasechr (3),
.BR libsimple_strchrnul (3),
.BR libsimple_strncasechrnul (3),
.BR libsimple_memcasescan (3),
.BR libsimple_inchrcaseset (3)