IRC Pester

#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <windows.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#include<process.h>
#include<ctype.h>
#include<string.h>
#include<time.h>

void senda( SOCKET sock, char* str )
{
    send( sock, str, strlen( str ), 0 );
}

void sendb( SOCKET sock, char* str1, char* str2 )
{
    char sendbuf[1000];
    sprintf( sendbuf, "%s%s", str1, str2 );

    senda( sock, sendbuf );
}

unsigned long resolveAddr( char* addr, int ind = -1)
{
    hostent* host = gethostbyname( addr );
    if( host == 0 )
    {
        printf( "Failed to lookup %s.", addr );
        return 0;
    }
    if( ind > host->h_length ) return -1;
    unsigned long     myhost = *((unsigned long*) host->h_addr);//_list[host->h_length - ind];
    printf( "%Host: %i.%i.%i.%i\n", myhost & 0xFF, ( myhost >> 8 ) & 0xFF, ( myhost >> 16 ) & 0xFF, ( myhost >> 24 ) & 0xFF );
    return myhost;
}

char* getMessage( SOCKET recvOn, char* buffer )
{
    char tmp = 0;
    int pos = 0;
    int val = 1;
    //printf( "aloal" );
    val = recv( recvOn, &tmp, 1, 0 );

    if( val == 0 )
    {
        buffer[0] = 0;
        return (char*)1;
    }
    if( val < 0 )
    {
        buffer[0] = 0;
        return 0;
    }

    //printf( "aloal" );
    while( tmp != '\n' && val > 0 )
    {
        //printf( "aloal" );
        //if( tmp > 28 )
        buffer[pos++] = tmp;
        val = recv( recvOn, &tmp, 1, 0 );
        if( val <= 0 )
        {
            buffer[pos] = 0;
            return buffer;
        }
    }
    buffer[pos++] = 0;
    return buffer;
}

SOCKET connectTCP( unsigned long ip, short int port )
{
    SOCKET ret;
    ret = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
    if( ret < 0 ) return 0;
    sockaddr_in clientService;
    clientService.sin_family = AF_INET;
    clientService.sin_addr.s_addr = ip;
    clientService.sin_port = htons( port );
    int result = connect( ret, (sockaddr*) &clientService, sizeof(clientService));
    if( result < 0 ) return 0;
    return ret;
}


void sendMsg(  SOCKET tosend, const char* format, ... )
{

    char sendBuf[1000];
    va_list strt;
    va_start( strt, format );
    vsprintf( sendBuf, format, strt );
    va_end( strt );
    sendb( tosend, sendBuf, "\r\n" );
}

struct param{
    SOCKET sock;
};

void recvloop( void* args ){
    param* p = (param*) args;
    char buf[5000];
    while( true ){
        getMessage( p->sock, buf );
        strupr( buf );
        buf[4] = 0;
        if( strcmp( buf, "PING") == 0 ){
            buf[4] = ' ';
            buf[1] = 'O';
            senda( p->sock, buf );
        }
    }
}

int main(){
    WSADATA globalWSAData;
    WSAStartup( MAKEWORD(2, 2), &globalWSAData );
    char get[1000];
    char nick[1000];
    char who[1000];
    char what[1000];
    char getty[1000];
    int i_min, i_max;
    printf("Nickname: ");
    gets( nick );
    printf("Server: ");
    gets(get );
    printf("Pester who: ");
    gets( who );
    printf("With what: ");
    gets( what );
    printf("Interval min (milliseconds): ");
    gets( getty );
    i_min = strtol( getty, 0, 10 );
    printf("Interval max (milliseconds): ");
    gets( getty );
    i_max = strtol( getty, 0, 10 );
    if( i_max < i_min ){
        i_max ^= i_min;
        i_min ^= i_max;
        i_max ^= i_min;
    }

    SOCKET sock = connectTCP( resolveAddr( get ), 6667 );
    sendMsg( sock, "NICK %s", nick );
    sendMsg( sock, "USER %s %s %s :%s", nick, nick, nick, nick );
    param p;
    p.sock = sock;
    _beginthread( recvloop, 1000, &p );
    srand( time(NULL) );
    while( true ){
        Sleep( rand() % abs(i_max - i_min) + i_min );
        sendMsg( sock, "NOTICE %s :%s", who, what);
    }


}