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# PRBool
Boolean value.
## Syntax
```{code}
#include <prtypes.h>
typedef enum { PR_FALSE = 0, PR_TRUE = 1 } PRBool;
```
## Description
Wherever possible, do not use PRBool in Mozilla C++ code. Use standard
C++ `bool` instead.
Otherwise, use {ref}`PRBool` for variables and parameter types. Use
`PR_FALSE` and `PR_TRUE` for clarity of target type in assignments
and actual arguments. Use `if (bool)`, `while (!bool)`,
`(bool) ? x : y`, and so on to test Boolean values, just as you would
C `int`-valued conditions.