/in/foo.c:2:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main(){
 ^~~~
/in/foo.c: In function 'main':
/in/foo.c:4:2: error: '_asm' undeclared (first use in this function)
  _asm{
  ^~~~
/in/foo.c:4:2: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:4:6: error: expected ';' before '{' token
  _asm{
      ^