/in/foo.c: In function 'findminpos':
/in/foo.c:14:9: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return m;
         ^
/in/foo.c: In function 'main':
/in/foo.c:30:5: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
     printf("%d,%d\n",m,n);
     ^~~~~~~~~~~~~~~~~~~~~
/in/foo.c:30:5: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]