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.TH LIBSIMPLE_STRCMPNUL 3 libsimple
.SH NAME
libsimple_strcmpnul \- compare two strings
.SH SYNOPSIS
.nf
#include <libsimple.h>
inline int libsimple_strcmpnul(const char *\fIa\fP, const char *\fIb\fP);
#ifndef strcmpnul
# define strcmpnul libsimple_strcmpnul
#endif
.fi
.PP
Link with
.IR \-lsimple .
.SH DESCRIPTION
The
.BR libsimple_strcmpnul ()
function compares the strings
.I a
and
.IR b ,
both of which may be
.BR NULL ,
which is treated as less than the empty string.
.PP
If one of the strings begins with the other string
but is longer, the longer string is treated as
greater than the shorter string.
.PP
The comparison is case-sensitive and made as if
the strings were
.IR "unsigned char *" s.
.SH RETURN VALUE
The
.BR libsimple_strcmpnul ()
function returns a negative value if
.I a
is less than
.IR b ,
a positive value if
.I a
is greater than
.IR b ,
and 0 otherwise.
.SH ERRORS
The
.BR libsimple_strcmpnul ()
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_strcmpnul ()
T} Thread safety MT-Safe
T{
.BR libsimple_strcmpnul ()
T} Async-signal safety AS-Safe
T{
.BR libsimple_strcmpnul ()
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 BUGS
None.
.SH SEE ALSO
.BR libsimple_strcasecmpnul (3),
.BR libsimple_streqnul (3),
.BR libsimple_strncmpnul (3),
.BR strcmp (3)
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