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.TH "nvme_ctrl_find" 9 "nvme_ctrl_find" "February 2024" "libnvme API manual" LINUX
.SH NAME
nvme_ctrl_find \- Locate an existing controller
.SH SYNOPSIS
.B "nvme_ctrl_t" nvme_ctrl_find
.BI "(nvme_subsystem_t s " ","
.BI "const char *transport " ","
.BI "const char *traddr " ","
.BI "const char *trsvcid " ","
.BI "const char *subsysnqn " ","
.BI "const char *host_traddr " ","
.BI "const char *host_iface " ");"
.SH ARGUMENTS
.IP "s" 12
\fInvme_subsystem_t\fP object
.IP "transport" 12
Transport name
.IP "traddr" 12
Transport address
.IP "trsvcid" 12
Transport service identifier
.IP "subsysnqn" 12
Subsystem NQN
.IP "host_traddr" 12
Host transport address
.IP "host_iface" 12
Host interface name
.SH "DESCRIPTION"
Lookup a controller in \fIs\fP based on \fItransport\fP, \fItraddr\fP, \fItrsvcid\fP,
\fIsubsysnqn\fP, \fIhost_traddr\fP, and \fIhost_iface\fP. \fItransport\fP must be specified,
other fields may be required depending on the transport. Parameters set
to NULL will be ignored.
Unlike \fBnvme_lookup_ctrl\fP, this function does not create a new object if
an existing controller cannot be found.
.SH "RETURN"
Controller instance on success, NULL otherwise.
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