.TH TSORT 1
.SH NAME
tsort \- topological sort [IBM]
.SH SYNOPSIS
\fBtsort \fIfile\fR
.br
.de FL
.TP
\\fB\\$1\\fR
\\$2
..
.de EX
.TP 20
\\fB\\$1\\fR
# \\$2
..
.SH EXAMPLES
.EX "lorder *.s | tsort" "Give library ordering"
.EX "ar cr libc.a \`lorder *.s | tsort\`" "Build library"
.SH DESCRIPTION
.PP
\fITsort\fR accepts a file of lines containing ordered pairs and builds a
total ordering from the partial orderings.