[해결]2개의 main함수를 하나로....

안녕하세요
기존에 있던 프로그램에다가 이번에 프로그램을 하나 더 만들었는데, 하나로 합쳐야 합니다.
어떻게 하면 될까요?
c에 계념이 없는지라 도와주시면 감하겠습니다.

수고하세요~

#include
#include
#include
#include

#define PORT 4486 // the port client will be connecting to

//############################################################

int DaemonAlive(char *proc_name);
main()

{

if (DaemonAlive("hydra2"))
printf("hydra2 alive\n");

else
printf("hydra2 dead\n");

if (DaemonAlive("hydra3"))
printf("hydra3 alive\n");

else
printf("hydra3 dead\n");
}

int DaemonAlive(char *proc_name)
{
FILE *fp;
char buf[80];
int result;

result = 0;
sprintf(buf, "ps -C %s", proc_name);
fp = popen(buf, "r");
while (fgets(buf, sizeof(buf), fp)) {
if (strstr(buf, proc_name)) {
result = 1;
break;
}
}
pclose(fp);

return result;
}

//############################################################
int main(int argc, char **argv)

{

int client_len;
int client_sockfd;
//int fd

FILE *fp_in;
char buf_in[255];
char buf_get[255];
struct sockaddr_in clientaddr;

if (argc != 2) {
fprintf(stderr,"usage: Server ip\n");
exit(1);
}

if ((client_sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
perror("socket");
exit(1);
}

clientaddr.sin_family = AF_INET;
clientaddr.sin_port = htons(PORT);
clientaddr.sin_addr.s_addr = inet_addr (argv[1]);
memset(&(clientaddr.sin_zero), '\0', 8); // zero the rest of the struct

client_len = sizeof(clientaddr);

if (connect(client_sockfd, (struct sockaddr *)&clientaddr, client_len) < 0)
{
perror("Connect error: ");
exit(0);
}
strcpy(buf_in, "request");

buf_in[strlen(buf_in) - 1] = '\0';
write(client_sockfd, buf_in, sizeof(buf_in));
if (strncmp(buf_in, "quit", 4) == 0)
{
close(client_sockfd);
exit(0);
}
while(1)
{
read(client_sockfd, buf_get, 255);
/*intf("%s", buf_get);*/
break;
}

if ((client_sockfd=open("/tmp/chgjudge", O_WRONLY | O_CREAT, 0644)) ==-1) {
perror("open failed");
exit(1);
}

if (write(client_sockfd, buf_get, 1) == -1) {
perror("write failed");
exit(1);
}

close(client_sockfd);
exit(0);
}