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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <ctype.h>
# STRLWR -- Convert string to lower case.
procedure strlwr (a)
char a[ARB]
int ip
begin
do ip = 1, ARB
if (a[ip] == EOS)
break
else if (IS_UPPER(a[ip]))
a[ip] = TO_LOWER (a[ip])
end
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