"20090630-2356"

4 files changed, 49 insertions, 2 deletions

diff --git a/CHANGES b/CHANGES
index 90c9452d..83674096 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+20090630
+	add sig (see man(1)) [via p9p and caerwyn]
 20090627
 	push changes described for arm in 20090330 (but not previously pushed)
 	begin change of inferno-os.googlecode.com from svn to mercurial
diff --git a/dis/sig b/dis/sig
new file mode 100755
index 00000000..cacf7ab0
--- /dev/null
+++ b/dis/sig
@@ -0,0 +1,32 @@
+#!/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]
+	exit 1
+}
+
+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 0
diff --git a/include/version.h b/include/version.h
index 6c97b040..bb695905 100644
--- a/include/version.h
+++ b/include/version.h
@@ -1 +1 @@
-#define VERSION	"Fourth Edition (20090627)"
+#define VERSION	"Fourth Edition (20090630)"
diff --git a/man/1/man b/man/1/man
index e603280f..62ac927b 100644
--- a/man/1/man
+++ b/man/1/man
@@ -1,6 +1,6 @@
 .TH MAN 1
 .SH NAME
-man, wm/man, man2html, man2txt, lookman \-
+man, wm/man, man2html, man2txt, lookman, sig \-
 print or find manual pages
 .SH SYNOPSIS
 .B man
@@ -59,6 +59,9 @@ print or find manual pages
 .B -f
 ]
 .I keyword ...
+.PP
+.B sig
+.I function ...
 .SH DESCRIPTION
 Both
 .I man
@@ -182,6 +185,12 @@ The
 option causes
 .I lookman
 just to list the file names.
+.PP
+.I Sig
+prints the type signature \- parameters and return types \- of
+each
+.I function
+found in section 2 of this manual.
 .SH FILES
 .TF /man/1/INDEX
 .TP
@@ -215,6 +224,10 @@ script
 .IR sh (1)
 script
 .br
+.B /dis/sig
+.IR sh (1)
+script
+.br
 .B /appl/lib/parseman.b
 .SH "SEE ALSO"
 .IR wm (1)