The format string consists of ordinary multibyte characters (except %), which are copied unchanged into the output stream, and conversion specifications.
If there are more arguments than required by format, the extraneous arguments are evaluated and ignored. If any argument after default argument promotions is not the type expected by the corresponding conversion specifier, or if there are fewer arguments than required by format, the behavior is undefined. Pointer to a null-terminated multibyte string specifying how to interpret the dataĪrguments specifying data to print. Up to bufsz - 1 characters may be written, plus the null terminator Pointer to a character string to write to
