Final answer:
ANSI C originally did not have a specific Boolean type, instead using integers with 0 as false and non-zero values as true. Macros for TRUE and FALSE are common workarounds, and a standard Boolean type was later introduced in C99.
Step-by-step explanation:
ANSI C does not provide a built-in Boolean data type; it typically uses integers for Boolean logic, where 0 is false and non-zero is true. For readability, macros like TRUE and FALSE can be defined to represent these values.
In ANSI C, the absence of a dedicated Boolean type means that any numeric expression can be treated as a condition for control flow statements like if, while, and for.
Programmers often define their own macros to increase code clarity, e.g., #define TRUE 1 and #define FALSE 0. Moreover, with the inclusion of the stdbool.h header introduced in C99, a _Bool type and the constants true and false were formally added to the languageANSI C does not have a built-in Boolean data type, but it uses integers (0 and non-zero) to represent Boolean values.For example, in ANSI C, 0 is considered as false and any non-zero value is considered as true.So, true can be represented by the value 1, and false can be represented by the value 0.