Function xmlParserInputBufferGrow 

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

Grow an input buffer by reading up to len bytes from its source.

UPSTREAM-PARITY

int xmlParserInputBufferGrow(xmlParserInputBufferPtr in, int len);