Get all running process using of c language
cc process.c -o process
root@localhost:~# ./process
[16419] proot
[16423] /bin/bash
[16478] /bin/ssh-agent
[16481] /bin/gpg-agent
[16578] /bin/Xtigervnc
[16583] xfce4-session
[16589] dbus-launch
[16590] /usr/bin/dbus-daemon
[16605] /usr/lib/aarch64-linux-gnu/xfce4/xfconf/xfconfd
[16613] /bin/ssh-agent
[16617] xfwm4
[16639] xfsettingsd
[16640] xfce4-panel
[16646] Thunar
[16651] xfdesktop
[16652] /usr/lib/aarch64-linux-gnu/xfce4/panel/wrapper-2.0
[16653] /usr/lib/aarch64-linux-gnu/xfce4/panel/wrapper-2.0
[16654] /usr/lib/aarch64-linux-gnu/xfce4/panel/wrapper-2.0
[16658] /usr/lib/aarch64-linux-gnu/xfce4/panel/wrapper-2.0
[16679] /usr/lib/aarch64-linux-gnu/xfce4/notifyd/xfce4-notifyd
[16688] ./process
root@localhost:~#