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.hl.num { color:#d75f00; }
.hl.esc { color:#0184bc; }
.hl.sng { color:#50a14f; }
.hl.pps { color:#0184bc; }
.hl.slc { color:#a0a1a7; font-style:italic; }
.hl.com { color:#a0a1a7; font-style:italic; }
.hl.ppc { color:#986801; }
.hl.opt { color:#383a42; }
.hl.ipl { c
ppc">#include <ctype.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>

#include "all.h"

namespace ov4
{

typedef void handler_t(int);

extern sigset_t 
    block_sig_TTOU,
    block_job,
    block_io;

void signal_init();
handler_t *Signal(int signum, handler_t *handler);
void sigchld_handler(int sig);
void sigint_handler(int sig);
void sigtstp_handler(int sig);
void sigquit_handler(int sig);

int block_all(sigset_t *prev);
int block_handler(sigset_t *prev);

}