V3/man/man1/nm.1

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NAME		nm  --  print name list
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SYNOPSIS	nm__ [ name ]
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DESCRIPTION	nm__
prints the symbol table from the output file of an
assembler or loader run.
Each symbol name is preceded by its value (blanks if undefined)
and one of the letters "U" (undefined) "A" (absolute) "T"
(text segment symbol),
"D" (data segment symbol), or "B"
(bss segment symbol).
Global symbols have their first character underlined.
The output is sorted alphabetically.
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If no file is given, the symbols in a.out_____ are listed.
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FILES		a.out
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SEE ALSO	as(I), ld(I)
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DIAGNOSTICS	"?"
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BUGS		--