C - Assignment Operators
Assignment operators combine assignment with arithmetic or bitwise operations.
Prerequisites
List
=,+=,-=,*=,/=,%=,&=,|=,^=,<<=,>>=
Example
#include <stdio.h>
int main(void) {
int x = 10;
x += 5;
x *= 2;
printf("x = %d\n", x);
}