#include #define sigaction _sigaction #include #include _PROTOTYPE(int __sigreturn, (void)); PUBLIC int sigaction(sig, act, oact) int sig; _CONST struct sigaction *act; struct sigaction *oact; { message m; m.m1_i2 = sig; /* XXX - yet more type puns because message struct is short of types. */ m.m1_p1 = (char *) act; m.m1_p2 = (char *) oact; m.m1_p3 = (char *) __sigreturn; return(_syscall(MM, SIGACTION, &m)); }