how to user system call in C Programing

[slackman]

i want to user system call on linux . include ">" and ">>" and "|"

example command

cat /etc/sysconfig/network | grep GATEWAY | cut -d= -f2

or

arp -en | grep $1 | awk '{print $3}' > test.txt
** $1 user input same shell scripts such as 172.168.1.1

or


how to programing this command in c programing
(not shell script)

[wje_lf]

man 3 system

[clickit]

Bill has it correct. Note bottom of that page.
From my dim recollection, I recall having a problem with piping commands.
If you do then examine "exec" as system(exec(urbashcommand)) I think that was what I had to do but it was several years ago.

[wje_lf]

From my dim recollection, I recall having a problem with piping commands.

The system() library call handles piping.