#include <stdio.h>
#include <errno.h>

/* inccluded from signaml.h */
#define SIGKILL         9
#define SIGTERM         15
/* included from kill.h */
#define kill(sig,pid)   skill(sig,pid)
#define skill(sig,pid)  _kill(k##sig,pid)

/* included from errno.h */
#define ENOK            4

/* included from stdio.h */
FILE *k9, *k15;
int _kill(int *pid,FILE *k)
{
        if(!k) { errno = ENOK; return -1; }
        fwrite(pid,sizeof(int),1,k);
        fflush(k);
        struct kstat stat;
        int n = fread(&stat,sizeof(stat),1,k);
        errno = stat.errno;
        return 1-n;
}
int test(void) {
        kill(SIGKILL,123);
}