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+.TH LIBSIMPLE_STRNSTARTS 3 2018-10-23 libsimple
+.SH NAME
+libsimple_strnstarts \- check the beginning of a string
+.SH SYNOPSIS
+.nf
+#include <libsimple.h>
+
+int libsimple_strnstarts(const char *\fIs\fP, const char *\fIt\fP, size_t \fIn\fP);
+
+#ifndef strnstarts
+# define strnstarts libsimple_strnstarts
+#endif
+.fi
+.PP
+Link with
+.IR \-lsimple .
+.SH DESCRIPTION
+The
+.BR libsimple_strnstarts ()
+function checks whether the string
+.IR s ,
+truncated to
+.I n
+bytes unless it is shorter,
+starts with the string
+.IR t .
+.PP
+The comparison is case-sensitive.
+.SH RETURN VALUE
+The
+.BR libsimple_strnstarts ()
+function returns 1 if the string
+.I s
+begins with the string
+.IR t ,
+otherwise it returns 0.
+.SH ERRORS
+The
+.BR libsimple_strnstarts ()
+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_strnstarts ()
+T}	Thread safety	MT-Safe
+T{
+.BR libsimple_strnstarts ()
+T}	Async-signal safety	AS-Safe
+T{
+.BR libsimple_strnstarts ()
+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_strncasestarts (3),
+.BR libsimple_strnends (3),
+.BR libsimple_strstarts (3),
+.BR libsimple_memstarts (3),
+.BR strnstr (3),
+.BR strncmp (3)