NAME
        sgn - the sign of a number

SYNOPSIS
        int sgn(int arg)

DESCRIPTION
        This simulated efun returns -1 if the argument is less than zero, zero
        if the argument is zero and 1 else.

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_get_all_obj	_next_obj	_prev_obj	abs	expand_file_name
frnd	get_objects	getopts	implode_nicely	itoa
line_break	load_object	mapping_rusage	query_ip_name	set_light
sgn	short_date	typep