:mod:`sys` --- System-specific parameters and functions
This module provides access to some variables used or maintained by the interpreter and to functions that interact strongly with the interpreter. It is always available.
|[C99]||ISO/IEC 9899:1999. "Programming languages -- C." A public draft of this standard is available at http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf .|