ref: 2e369f0d1fad5f38c44ed13109f74cdd6ab535f2
dir: /rc/bin/Bfn/
#!/bin/rc if(! ~ $#* 1){ echo usage: $0 fn >[2=1] exit usage } res=`{grep -n '^'$1'\(' *.c | sed -n 's/^([^:]*:[^:]*).*$/\1/gp' } ifs=' ' for(i in $res) echo $i switch($#res){ case 0 echo $1: not found >[2=1] case 1 plumb $res }