stdbool.h (0p) - Linux Manuals
stdbool.h: boolean type and values
NAME
stdbool.h - boolean type and values
SYNOPSIS
DESCRIPTION
The <stdbool.h> header shall define the following macros:
- bool
- Expands to _Bool.
- true
- Expands to the integer constant 1.
- false
- Expands to the integer constant 0.
- __bool_true_false_are_defined
-
Expands to the integer constant 1.
An application may undefine and then possibly redefine the macros bool, true, and false.
The following sections are informative.
APPLICATION USAGE
RATIONALE
FUTURE DIRECTIONS
The ability to undefine and redefine the macros bool, true, and false is an obsolescent feature and may be withdrawn in a future version.
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .