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.Dd May 11, 2016 .Dt PLMID 3PROC .Os .Sh NAME .Nm Plmid .Nd get the link-map identifier of an address .Sh SYNOPSIS .Lb libproc n libproc.h .Ft int .Fo Plmid .Fa "struct ps_prochandle *P" .Fa "uintptr_t addr" .Fa "Lmid_t *lmidp" .Fc .Sh DESCRIPTION The .Fn Plmid function attempts to determine the link-map identifier that corresponds to the address .Fa addr in the process .Fa P . If .Fa addr does not correspond to an address from an object mapped in by the run-time link editor, such as anonymous mapping created with .Xr mmap 2 , then there will be no corresponding link-map identifier.

p .Fa lmidp must be a

f non- Dv NULL pointer that will be filled in with the link-map identifier when it is successfully determined by the run-time link-editor. .Sh RETURN VALUES Upon successful completion, the .Fn Plmid function returns .Sy 0 and updates .Fa lmidp with the link-map identifier of .Fa addr . Otherwise, .Sy -1 is returned to indicate that the link-map identifier could not be determined. .Sh INTERFACE STABILITY .Sy Uncommitted .Sh MT-LEVEL See .Sy LOCKING in .Xr libproc 3LIB . .Sh SEE ALSO .Xr libproc 3LIB , .Xr proc 4