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.TH LIBSIMPLE_STRNEQLEN 3 2018-10-23 libsimple
.SH NAME
libsimple_strneqlen \- check initial commonality
.SH SYNOPSIS
.nf
#include <libsimple.h>
size_t libsimple_strneqlen(const char *\fIa\fP, const char *\fIb\fP, size_t \fIn\fP);
#ifndef strneqlen
# define strneqlen libsimple_strneqlen
#endif
.fi
.PP
Link with
.IR \-lsimple .
.SH DESCRIPTION
The
.BR libsimple_strneqlen ()
function scans the number of bytes the string
.IR a ,
truncated to
.I n
bytes unless it is shorter,
have in common the string
.IR b ,
truncated to
.I n
bytes unless it is shorter,
at their beginnings.
.PP
The comparison is case-sensitive.
.SH RETURN VALUE
The
.BR libsimple_strneqlen ()
function returns the number of bytes
.I a
and
.I b
(both truncated to
.I n
bytes) have in common at their beginnings.
.SH ERRORS
The
.BR libsimple_strneqlen ()
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_strneqlen ()
T} Thread safety MT-Safe
T{
.BR libsimple_strneqlen ()
T} Async-signal safety AS-Safe
T{
.BR libsimple_strneqlen ()
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_streq (3),
.BR libsimple_strreqlen (3),
.BR libsimple_strcaseeqlen (3),
.BR libsimple_streqlen (3),
.BR libsimple_memeqlen (3)
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