0_0_7403001_17553.c:1: error: syntax error before "while" 0_0_7403001_17553.c:4: error: `i' undeclared here (not in a function) 0_0_7403001_17553.c:4: error: syntax error before '!=' token 0_0_7403001_17553.c:17: error: syntax error before '}' token