TRAP_BRKPT
code = TRAP_BRKPT;
trapsignal(p, SIGTRAP, 0, TRAP_BRKPT, sv);
trapsignal(p, SIGTRAP, esr, TRAP_BRKPT, sv);
int code = TRAP_BRKPT;
trapsignal(p, SIGTRAP, type &~ T_USER, TRAP_BRKPT, sv);
fault_type = TRAP_BRKPT;
fault_type = TRAP_BRKPT;
fault_type = TRAP_BRKPT;
fault_type = TRAP_BRKPT;
sicode = TRAP_BRKPT;
sicode = TRAP_BRKPT;
sicode = TRAP_BRKPT;
trapsignal(p, SIGTRAP, type, TRAP_BRKPT, sv);
trapsignal(p, SIGTRAP, 0, TRAP_BRKPT, sv);
trapsignal(p, SIGTRAP, 0, TRAP_BRKPT, sv);
trapsignal(p, SIGTRAP, expevt & ~EXP_USER, TRAP_BRKPT,
trapsignal(p, SIGTRAP, 0, TRAP_BRKPT, sv);