/in/foo.c: In function 'main':
/in/foo.c:10:3: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   else printf(" is a primer!");break;}
   ^~~~
/in/foo.c:10:32: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else'
   else printf(" is a primer!");break;}
                                ^~~~~