/printf

printf Repo

Primary LanguageC

_printf

Function that produces output according to a format.

  • Prototype: int _printf(const char *format, ...);
  • Returns: the number of characters printed (excluding the null byte used to end output to strings)
  • write output to stdout, the standard output stream
  • format is a character string. The format string is composed of zero or more directives.

Handles the following conversion specifiers:

  • c
  • s
  • %
  • d
  • i
  • b
  • u
  • o
  • x
  • X
  • p

Use a local buffer of 1024 chars in order to call write as little as possible.

Handles the following custom conversion specifier:

  • S: prints the string.
  • r: prints the reverse string.
  • R: prints the rot13'ed string.

Handles the following flag characters for non-custom conversion specifiers:

  • space

  • 0

Handles the following length modifiers for non-custom conversion specifiers:

  • l
  • h

Handles the field width for non-custom conversion specifiers.

Handles the precision for non-custom conversion specifiers.