.TH "CAPNG_SET_ROOTID" "3" "Sept 2020" "Red Hat" "Libcap-ng API" .SH NAME capng_set_rootid \- set namespace root id .SH "SYNOPSIS" .B #include .sp int capng_set_rootid(int rootid); .SH "DESCRIPTION" capng_set_rootid sets the rootid for capabilities operations. This is only applicable for file system operations. .SH "RETURN VALUE" On success, it returns 0. It returns -1 if there is an internal error or the kernel does not suppor V3 filesystem capabilities. .SH "SEE ALSO" .BR capng_set_caps_fd (3), .BR capabilities (7) .SH AUTHOR Steve Grubb