check_int_nonnegative 4880 src/frame.c      int new = check_int_nonnegative (arg);
check_int_nonnegative 4894 src/frame.c      int new = check_int_nonnegative (arg);
check_int_nonnegative 1736 src/haikufns.c   int new_width = check_int_nonnegative (arg);
check_int_nonnegative  625 src/lisp.h     extern int check_int_nonnegative (Lisp_Object);
check_int_nonnegative  602 src/pgtkfns.c    int border = check_int_nonnegative (arg);
check_int_nonnegative 1944 src/xfns.c       int border = check_int_nonnegative (arg);