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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
+.TH "KILLPG" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" killpg
+.SH NAME
+killpg \- send a signal to a process group
+.SH SYNOPSIS
+.LP
+\fB#include <signal.h>
+.br
+.sp
+int killpg(pid_t\fP \fIpgrp\fP\fB, int\fP \fIsig\fP\fB); \fP
+\fB
+.br
+\fP
+.SH DESCRIPTION
+.LP
+The \fIkillpg\fP() function shall send the signal specified by \fIsig\fP
+to the process group specified by \fIpgrp\fP.
+.LP
+If \fIpgrp\fP is greater than 1, \fIkillpg\fP(\fIpgrp\fP,\ \fIsig\fP)
+shall be equivalent to
+\fIkill\fP(-\fIpgrp\fP,\ \fIsig\fP). If \fIpgrp\fP is less than or
+equal to 1, the behavior of \fIkillpg\fP() is
+undefined.
+.SH RETURN VALUE
+.LP
+Refer to \fIkill\fP() .
+.SH ERRORS
+.LP
+Refer to \fIkill\fP() .
+.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
+\fIgetpgid\fP() , \fIgetpid\fP() , \fIkill\fP()
+, \fIraise\fP() , the Base Definitions volume of IEEE\ Std\ 1003.1-2001,
+\fI<signal.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 .