#compdef procstat

local pids
#get list of pids and associated process name as comment
pids=(${${${(f)"$(/usr/bin/procstat -ah)"}/[[:space:]]#/}/[[:space:]]*[[:space:]](ELF[[:digit:]]#[[:space:]]|-[[:space:]]#)/:})

_arguments -s \
'-b[Display binary information for the process]' \
'-c[Display command line arguments for the process]' \
'-f[Display file descriptor information for the process]' \
'-k[Display the stacks of kernel threads in the process]' \
'-s[Display security credential information for the process]' \
'-t[Display thread information for the process]' \
'-v[Display virtual memory mappings for the process]' \
'-h[Suppress table headers.]' \
'-a[All processes]' \
':Process id:(($pids))'