Provides a way to choose one of several expressions at compile time, based on a type of a controlling expression. Syntax

Limits of library types Defined in header <stdint.h>

Defined in header <errno.h>

Usage switch statement:

Usage float

Usage volatile

Usage declaration of an enumeration

Logical operators apply standard boolean algebra operations to their operands. Operator

If the macro constant __STDC_NO_ATOMICS__(C11) is defined by the compiler, the header <stdatomic.h>

Defined in header <time.h>