/in/foo.c: In function 'main':
/in/foo.c:9:2: warning: implicit declaration of function 'print' [-Wimplicit-function-declaration]
  print("%d ",a[0]);
  ^~~~~
/tmp/ccLO9qdf.o: In function `main':
foo.c:(.text.startup+0x6a): undefined reference to `print'
collect2: error: ld returned 1 exit status