.TH "libnvme_ctrl_get_subsystem" 9 "libnvme_ctrl_get_subsystem" "September 2026" "libnvme API manual" LINUX .SH NAME libnvme_ctrl_get_subsystem \- Parent subsystem of a controller .SH SYNOPSIS .B "struct libnvme_subsystem *" libnvme_ctrl_get_subsystem .BI "(struct libnvme_ctrl *c " ");" .SH ARGUMENTS .IP "c" 12 Controller instance .SH "RETURN" Parent struct libnvme_subsystem object