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.Dd May 11, 2016 .Dt PROC_GET_PSINFO 3PROC .Os .Sh NAME .Nm proc_get_psinfo .Nd get process ps information .Sh SYNOPSIS .Lb libproc n libproc.h .Ft int .Fo proc_get_psinfo .Fa "pid_t pid" .Fa "psinfo_t *psp" .Fc .Sh DESCRIPTION The .Fn proc_get_psinfo function is a convenient way to read the /proc psinfo file for the process .Fa pid . The .Xr ps 1 related information of the process will be filled into .Fa psp . The definition of the .Sy psinfo_t structure may be found in .Xr proc 4 . .Sh RETURN VALUES Upon successful completion, the .Fn proc_get_psinfo function returns .Sy 0 . Otherwise, .Sy -1 is returned to indicate an error occurred. .Sh INTERFACE STABILITY .Sy Uncommitted .Sh MT-LEVEL .Sy MT-Safe .Sh SEE ALSO .Xr libproc 3LIB , .Xr proc 4