Linux下成功安装和配置Sock5代理的过程

#include 
....
int command(va_alist) va_dcl {
va_list ap;
char *fmt;
int r;
Sig_t oldintr;

abrtflag = 0;
if (debug) {
printf("---> ");
va_start(ap);
fmt = va_arg(ap, char *);
if (strncmp("PASS ", fmt, 5) == 0)
printf("PASS XXXX");
else 
vfprintf(stdout, fmt, ap);
va_end(ap);
printf("\n");
fflush(stdout);
}
if (cout == NULL) {
perror ("No control connection for command");
code = -1;
return (0);
}
oldintr = Signal(SIGINT, cmdabort);
va_start(ap);
fmt = va_arg(ap, char *);
vfprintf(cout, fmt, ap);
va_end(ap);
fflush(cout);
cpend = 1;
r = getreply(!strcmp(fmt, "QUIT"));
Signal(SIGINT, oldintr);
if (abrtflag) {
kill(getpid(),SIGINT);
}
return(r);
}

//#include 
#include 


....
/*VARARGS*/
int command(const char *args,...) {
va_list ap;
char *fmt;
int r;
Sig_t oldintr;

abrtflag = 0;
if (cout == NULL) {
perror ("No control connection for command");
code = -1;
return (0);
}
oldintr = Signal(SIGINT, cmdabort);
fmt = args;
va_start(ap,args);
// fmt = va_arg(ap, char *);
vfprintf(cout, fmt, ap);
va_end(ap);
fflush(cout);
cpend = 1;
r = getreply(!strcmp(fmt, "QUIT"));
Signal(SIGINT, oldintr);
if (abrtflag) {
kill(getpid(),SIGINT);
}
return(r);
}