c/c++ - Får inte if-sats att stämma fast texten på 2 variabler är (till synes) lika

to: niclas, strlen(to):6
uvalue: niclas, strlen(uvalue):6

if(to==u_value)
				printf("to=cvalue");

char *to = (char*) malloc(6);
			strncpy(to,buffer+5,strlen(buffer)-6);
			to[strlen(to)-1]='\0';

char *u_value = NULL;
P_value = atoi(argv[++i]);

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <TelldusCore/telldus-core.h>




void error(char *msg)
{
    perror(msg);
    exit(1);
}

int main(int argc, char *argv[])
{		
	int sockfd, newsockfd, portno, clilen;
	char buffer[256];
	struct sockaddr_in serv_addr, cli_addr;
	int n;
	
	//Checking for correct executing parameters
	int P_value = 6435;
    char *u_value = NULL;
    char *p_value = NULL;
	
    int i;
    for (i = 1; i < argc; i++) {
		if (argv[i][0] == '-') {
			switch (argv[i][1]) {
				case 'P':	P_value = atoi(argv[++i]);
					break;
				case 'u':	u_value = argv[++i];
					break;
				case 'p':	p_value = argv[++i];
					break;
			}
		}
    }
	if (P_value < 2 || u_value == NULL || p_value == NULL)
		error("ERROR: To few arguments supplied, look at --help");
	
	printf("-P = %d\n", P_value);
	printf("-u = %s\n", u_value);
	printf("-p = %s\n", p_value);
	
	
	sockfd = socket(AF_INET, SOCK_STREAM, 0);
	if (sockfd < 0) 
		error("ERROR opening socket");
	bzero((char *) &serv_addr, sizeof(serv_addr));
	//portno = atoi(argv[1]);
	portno = P_value;
	serv_addr.sin_family = AF_INET;
	serv_addr.sin_addr.s_addr = INADDR_ANY;
	serv_addr.sin_port = htons(portno);
	if (bind(sockfd, (struct sockaddr *) &serv_addr,sizeof(serv_addr)) < 0) 
		error("ERROR on binding");
	listen(sockfd,5);
	clilen = sizeof(cli_addr);
	
	while (1){
		newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, &clilen);
		if (newsockfd < 0) 
			error("ERROR on accept");
		int pid;
		pid=fork();
		if (pid < 0)
			error("ERROR on fork");
		if (pid == 0){
			close(sockfd);
			bzero(buffer,256);
			n = write(newsockfd,"This is version 0.1 of the API >>",33);
			if (n < 0) error("ERROR writing to socket");
	
			n = read(newsockfd,buffer,255);
			if (n < 0) error("ERROR reading from socket");
			//Check if message contains "user" and if submitted user is a valid user
			char *to = (char*) malloc(6);
			strncpy(to,buffer+5,strlen(buffer)-6);
			to[strlen(to)-1]='\0';

			int tol=strlen(to);
			printf("to: %s, strlen(to):%i\n\r",to,tol);
			int ul=strlen(u_value);
			printf("uvalue: %s, strlen(uvalue):%i\n\r",u_value,ul);

			if(to==u_value)
				printf("to=cvalue");
			if(strstr(buffer, "user")){
				printf("user finnes. User är: %s och är korrekt\n\r",to);
				//n = write(newsockfd,printf("Hello %s. Give me your password >>",to),18);
				//if (n < 0) error("ERROR writing to socket");
			}
			else{
				printf("-u:%s, to:%s, buffer:%s",u_value,to,buffer);
				n = write(newsockfd,"I got your message",18);
				if (n < 0) error("ERROR writing to socket");
			}
			printf("Here is the message: %s\n",buffer);
			n = write(newsockfd,"I got your message",18);
			if (n < 0) error("ERROR writing to socket");

			return 0;
			exit(0);
		}
		else{
			close(newsockfd);
		}
	}
}