compilers/linux86-0.16.17/tests/ouch.c

   1
   2 #include <signal.h>
   3 #include <stdio.h>
   4 #include <errno.h>
   5
   6 void trap()
   7 {
   8    write(1, "Ouch!!\n", 7);
   9 }
  10
  11 main()
  12 {
  13    char buf[2];
  14    int cc;
  15
  16    signal(SIGINT, trap);
  17    while( (cc=read(0, buf, 1)) > 0 || (cc == -1 && errno == EINTR) )
  18    {
  19       if( cc < 0 )
  20       fprintf(stderr, "INTR\n");
  21       else
  22       fprintf(stderr, "%x\n", buf[0]);
  23    }
  24
  25
  26    write(1, "\nExit!\n", 7);
  27 }