Increment/decrement operators are unary operators that increment/decrement the value of a variable by 1. They can have postfix form:

Defined in header <complex.h>

Defined in header <string.h>

Defined in header <math.h>

Defined in header <math.h>

Defined in header <string.h>

Defined in header <wchar.h>

Defined in header <wchar.h>

Defined in header <math.h>

Defined in header <wctype.h>