Owl Get a Life

Compile Error

gcd.cpp: In function ‘int gcd(int, int)’:
gcd.cpp:5:8: error: expected ‘(’ before ‘b’
5 | while b (b != 0) {
| ^
| (
gcd.cpp:5:17: error: ‘b’ cannot be used as a function
5 | while b (b != 0) {
| ^
gcd.cpp:5:18: error: expected ‘)’ before ‘{’ token
5 | while b (b != 0) {
| ~ ^~
| )