Function nstd_sys::fs::file::nstd_fs_file_write

source · 
#[no_mangle]
pub unsafe extern "C" fn nstd_fs_file_write(
    file: &mut NSTDFile,
    bytes: &NSTDSlice
) -> NSTDIOResult
Available on crate feature fs only.
Expand description

Writes some data to a file & returns how many bytes were written.

Parameters:

  • NSTDFile *file - A handle to an open file.

  • const NSTDSlice *bytes - The data to write to the file.

Returns

NSTDIOResult written - The number of bytes written to handle on success, or the I/O operation error code on failure.

Safety

This function’s caller must guarantee validity of bytes.