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author | cvs2svn <cvs2svn@FreeBSD.org> | 1998-01-10 23:00:07 +0000 |
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committer | cvs2svn <cvs2svn@FreeBSD.org> | 1998-01-10 23:00:07 +0000 |
commit | 7c6e96080c4fb49bf912942804477d202a53396c (patch) | |
tree | 876b1afcb203be407dbb2ddfc69653f78b8680c2 /lib/libc/stdlib/system.3 | |
parent | 1a06f650e6ca43e02260e8d252597fbed2cea73e (diff) | |
download | FreeBSD-src-7c6e96080c4fb49bf912942804477d202a53396c.zip FreeBSD-src-7c6e96080c4fb49bf912942804477d202a53396c.tar.gz |
This commit was manufactured by cvs2svn to create branch 'JB'.
Diffstat (limited to 'lib/libc/stdlib/system.3')
-rw-r--r-- | lib/libc/stdlib/system.3 | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/lib/libc/stdlib/system.3 b/lib/libc/stdlib/system.3 deleted file mode 100644 index 9b82e7b..0000000 --- a/lib/libc/stdlib/system.3 +++ /dev/null @@ -1,96 +0,0 @@ -.\" Copyright (c) 1990, 1991, 1993 -.\" The Regents of the University of California. All rights reserved. -.\" -.\" This code is derived from software contributed to Berkeley by -.\" the American National Standards Committee X3, on Information -.\" Processing Systems. -.\" -.\" Redistribution and use in source and binary forms, with or without -.\" modification, are permitted provided that the following conditions -.\" are met: -.\" 1. Redistributions of source code must retain the above copyright -.\" notice, this list of conditions and the following disclaimer. -.\" 2. Redistributions in binary form must reproduce the above copyright -.\" notice, this list of conditions and the following disclaimer in the -.\" documentation and/or other materials provided with the distribution. -.\" 3. All advertising materials mentioning features or use of this software -.\" must display the following acknowledgement: -.\" This product includes software developed by the University of -.\" California, Berkeley and its contributors. -.\" 4. Neither the name of the University nor the names of its contributors -.\" may be used to endorse or promote products derived from this software -.\" without specific prior written permission. -.\" -.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND -.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE -.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -.\" SUCH DAMAGE. -.\" -.\" @(#)system.3 8.1 (Berkeley) 6/4/93 -.\" -.Dd June 4, 1993 -.Dt SYSTEM 3 -.Os -.Sh NAME -.Nm system -.Nd pass a command to the shell -.Sh SYNOPSIS -.Fd #include <stdlib.h> -.Ft int -.Fn system "const char *string" -.Sh DESCRIPTION -The -.Fn system -function -hands the argument -.Fa string -to the command interpreter -.Xr sh 1 . -The calling process waits for the shell -to finish executing the command, -ignoring -.Dv SIGINT -and -.Dv SIGQUIT , -and blocking -.Dv SIGCHLD . -.Pp -If -.Fa string -is a -.Dv NULL -pointer, -.Fn system -will return non-zero if the command interpreter -.Xr sh 1 -is available, and zero if it is not. -.Pp -The -.Fn system -function -returns the exit status of the shell, or \-1 if the -.Xr wait 2 -for the shell failed. -A return value of 127 means the execution of the shell -failed. -.Sh SEE ALSO -.Xr sh 1 , -.Xr execve 2 , -.Xr wait 2 , -.Xr popen 3 -.Sh STANDARDS -The -.Fn system -function -conforms to -.St -ansiC . -and is expected to be -.St -p1003.2 -compatible. |