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 C_CTOL()

 DESCRIPTION

 C_CTOL() converts a character string to a logical data type.  The
 string must contain certain values (see parameters below)
 equivalent to a logical data type.

 SYNTAX

 C_CTOL(string)

 PARAMETERS

 string (C) is the character string to convert containing one of the
 following true expressions:  "T", ".T.", "TRUE", "ON", "YES", "1";
 or one of the following false expressions:  "F", ".F.", "FALSE",
 "OFF", "NO", "0".

 RETURNS

 C_CTOL() returns true (.T.) if one of the expressions for true
 (.T.) is specified, otherwise false (.F.).

 EXAMPLES

 ? c_ctol("TRUE")  --> .T.      && True values
 ? c_ctol("T")     --> .T.
 ? c_ctol("YES")   --> .T.

 ? c_ctol("FALSE") --> .F.      && False values
 ? c_ctol("F")     --> .F.
 ? c_ctol("NO")    --> .F.