rc/bin/sig

   1 #!/bin/rc
   2 # Usage: sig key ...
   3 #       prints out function signatures by grepping the manual
   4
   5
   6 *=`{echo $*|tr A-Z a-z|tr -dc 'a-z0-9_ \012'}   # fold case, delete funny chars
   7 if(~ $#* 0){
   8         echo Usage: sig function ... >/fd/2
   9         exit 1
  10 }
  11
  12 for (i) {
  13         files=`{grep -il '[     ]\*?'$i'\(' /sys/man/2/*}
  14         for(j in $files) {
  15                 {echo .nr LL 20i; sed -n '/^.SH SYNOPSIS/,/^.SH.*DESCR/p'  $j } |
  16                         nroff -man |
  17                         sed '
  18                                 :a
  19                                 /,$/ {
  20                                         N
  21                                         s/\n//
  22                                 }
  23                                 ta
  24                                 s/[     ]+/ /g' |
  25                         grep -i -e '[   *]'$i'\(' | sed 's/^[ +]/       /'
  26         }
  27 }
  28
  29 exit 0