_CP_release is equivalent to the release expression,string BASIC statement.
int _CP_release(int expression, CPSTR* string)
| expression | Should be an integer file descriptor returned by the _CP_open call. |
This function returns -1 if an error occurs. The error code is contained in _CP_errno.
/* Releases a previously set item lock on item "1" in "myfile". */
CPSTR * s = _CP_mkstr("myfile");
CPSTR * t = _CP_mkstr("1");
int f;
_CP_open(&f,_CP_str_null,s);
_CP_release(f,t);