Function __ql_log 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn __ql_log(
    file_name: *const c_char,
    line_no: c_int,
    func: *const c_char,
    level: c_int,
    fmt: *const c_char,
    ...
)

Available on crate feature logging only.

Sends a formatted string to the log.

Originally provided by ql_log (see header quectel_log.h).

Safety

This function is safe to call IFF the following is true:

• file_name is a valid null-terminated C string.
• func is a valid null-terminated C string.
• fmt is a valid null-terminated C string.
• The variadic parameters are valid for the printf format string in fmt.