.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
.TP 20
.B lorder *.s | tsort
# Give library ordering
.TP 20
.B 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.