arch/all-unix/kernel/maygetchar.c

   1 #include <aros/libcall.h>
   2
   3 #include <unistd.h>
   4
   5 #include "kernel_base.h"
   6 #include "kernel_intern.h"
   7
   8 AROS_LH0I(int, KrnMayGetChar,
   9          struct KernelBase *, KernelBase, 26, Kernel)
  10 {
  11     AROS_LIBFUNC_INIT
  12
  13     char c;
  14     int ret;
  15
  16     ret = KernelIFace.read (STDERR_FILENO, &c, 1);
  17     AROS_HOST_BARRIER
  18
  19     return (ret == 1) ? c : -1;
  20
  21     AROS_LIBFUNC_EXIT
  22 }