Function mupdf_sys::fz_strlcat

pub unsafe extern "C" fn fz_strlcat(
    dst: *mut c_char, 
    src: *const c_char, 
    n: usize
) -> usize

Concatenate 2 strings, with a maximum length.

dst: pointer to first string in a buffer of n bytes.

src: pointer to string to concatenate.

n: Size (in bytes) of buffer that dst is in.

Returns the real length that a concatenated dst + src would have been (not including terminator).