ref: db1eb844461b07a25ca49117851fa874fd88e065
dir: /dis/sig/
#!/dis/sh.dis
# Usage: sig key ...
# prints out function signatures by grepping the manual
# stolen from plan 9 via p9p and caerwyn
load std
x=$*
*=`{echo $x | tr A-Z a-z | tr -dc 'a-z0-9_ \012'} # fold case, delete funny chars
if {no $*} {
echo Usage: sig function ... >[1=2]
raise 'usage'
}
for i in $* {
files=`{grep -il '[ ]*'$i':[ ]*fn\(' /man/2/*}
for j in $files {
sect=`{basename $j}^'(2)'
{echo .nr LL 20i; sed -n '/^.SH SYNOPSIS/,/^.SH.*DESCR/p' $j} |
# os nroff -man |
sed '
:a
/,$|:$/ {
N
s/\n//
}
ta
s/[ ]+/ /g' |
grep -i '[ ]*'$i':[ ]*fn\(' | sed 's/^[ ]+/ /; s/;$/; \# '$sect'/'
}
}
exit