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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
+.TH "STRNCMP" 3P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" strncmp
+.SH PROLOG
+This manual page is part of the POSIX Programmer's Manual.
+The Linux implementation of this interface may differ (consult
+the corresponding Linux manual page for details of Linux behavior),
+or the interface may not be implemented on Linux.
+.SH NAME
+strncmp \- compare part of two strings
+.SH SYNOPSIS
+.LP
+\fB#include <string.h>
+.br
+.sp
+int strncmp(const char *\fP\fIs1\fP\fB, const char *\fP\fIs2\fP\fB,
+size_t\fP \fIn\fP\fB);
+.br
+\fP
+.SH DESCRIPTION
+.LP
+The \fIstrncmp\fP() function shall compare not more than \fIn\fP bytes
+(bytes that follow a null byte are not compared) from
+the array pointed to by \fIs1\fP to the array pointed to by \fIs2\fP.
+.LP
+The sign of a non-zero return value is determined by the sign of the
+difference between the values of the first pair of bytes
+(both interpreted as type \fBunsigned char\fP) that differ in the
+strings being compared.
+.SH RETURN VALUE
+.LP
+Upon successful completion, \fIstrncmp\fP() shall return an integer
+greater than, equal to, or less than 0, if the possibly
+null-terminated array pointed to by \fIs1\fP is greater than, equal
+to, or less than the possibly null-terminated array pointed to
+by \fIs2\fP respectively.
+.SH ERRORS
+.LP
+No errors are defined.
+.LP
+\fIThe following sections are informative.\fP
+.SH EXAMPLES
+.LP
+None.
+.SH APPLICATION USAGE
+.LP
+None.
+.SH RATIONALE
+.LP
+None.
+.SH FUTURE DIRECTIONS
+.LP
+None.
+.SH SEE ALSO
+.LP
+\fIstrcmp\fP(), the Base Definitions volume of IEEE\ Std\ 1003.1-2001,
+\fI<string.h>\fP
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group. In the
+event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .