.TH "nvme_get_ctrl_attr" 9 "nvme_get_ctrl_attr" "August 2024" "libnvme API manual" LINUX .SH NAME nvme_get_ctrl_attr \- Read controller sysfs attribute .SH SYNOPSIS .B "char *" nvme_get_ctrl_attr .BI "(nvme_ctrl_t c " "," .BI "const char *attr " ");" .SH ARGUMENTS .IP "c" 12 Controller instance .IP "attr" 12 sysfs attribute name .SH "RETURN" String with the contents of \fIattr\fP or NULL in case of an empty value or in case of an error (indicated by non-zero errno code).