Function xmlParserInputGrow 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlParserInputGrow(
    in_: *mut _xmlParserInput,
    len: c_int,
) -> c_int

Grow a parser input’s buffer by reading more data from its source.

UPSTREAM-PARITY

int xmlParserInputGrow(xmlParserInputPtr in, int len);