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Home > The C and C++ Library Functions Reference > _sys_close() |
Defined in rt_sys.h, the _sys_close()
function closes a file previously opened with _sys_open()
.
int
_sys_close(FILEHANDLEfh
);
This function must be defined if any input/output function is to be used.
The return value is 0
if successful. A
nonzero value indicates an error.