sigaltstack
if (sigaltstack(&sigstk, (stack_t *)NULL) < 0) {
if (sigaltstack(&sigstack, NULL) != 0)
if (sigaltstack(&ss, NULL) == -1) {
struct sigaltstack altstack;
extern int sigaltstack(const stack_t *_RESTRICT_KYWD, stack_t *_RESTRICT_KYWD);
struct sigaltstack nalt;
struct sigaltstack oalt;
struct sigaltstack *naltp;
naltp = (struct sigaltstack *)0;
if (sigaltstack(naltp, &oalt) < 0)
typedef struct sigaltstack stack_t;
extern int sigaltstack(const stack_t *, stack_t *);
struct sigaltstack nalt;
struct sigaltstack oalt;
struct sigaltstack *naltp;
naltp = (struct sigaltstack *)0;
if (sigaltstack(naltp, &oalt) < 0)
struct sigaltstack nalt;
struct sigaltstack oalt;
struct sigaltstack *naltp;
naltp = (struct sigaltstack *)0;
if (sigaltstack(naltp, &oalt) < 0)
int sigaltstack(struct sigaltstack *, struct sigaltstack *);
/* 97 */ SYSENT_CI("sigaltstack", sigaltstack, 2),
sigaltstack(struct sigaltstack *ssp, struct sigaltstack *oss)
struct sigaltstack ss;
oss, sizeof (struct sigaltstack)))
struct sigaltstack *ss;
struct sigaltstack pr_altstack; /* Alternate signal stack info */
struct sigaltstack pr_altstack; /* Alternate signal stack info */