Simple Network connection

/*===========================================
        GRRLIB (GX Version)
        - Template Code -

        Minimum Code To Use GRRLIB
============================================*/

/*

		Basics for My Wii RPG game
*/

//#include 
//#include 

#include 

#include 
#include 

#---------------------------------------------------------------------------------
# Clear the implicit built in rules
#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITPPC)),)
$(error "Please set DEVKITPPC in your environment. export DEVKITPPC=devkitPPC")
endif

include $(DEVKITPPC)/wii_rules

#---------------------------------------------------------------------------------
# TARGET is the name of the output
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# INCLUDES is a list of directories containing extra header files
#---------------------------------------------------------------------------------
TARGET		:=	$(notdir $(CURDIR))
BUILD		:=	build
SOURCES		:=	source source/gfx
DATA		:=	data
INCLUDES	:=

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------

CFLAGS	= -g -O2 -Wall $(MACHDEP) $(INCLUDE)
CXXFLAGS	=	$(CFLAGS)

LDFLAGS	=	-g $(MACHDEP) -Wl,-Map,$(notdir $@).map

#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
# the order can-be/is critical
#---------------------------------------------------------------------------------
LIBS	:= -lgrrlib -lfreetype -lpngu -lpng -ljpeg -lz -lfat
LIBS	+= -lwiiuse
#LIBS	+= -lmodplay -laesnd
LIBS	+= -lbte -logc -lm

#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS	:=

#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------

export OUTPUT	:=	$(CURDIR)/$(TARGET)

export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
					$(foreach dir,$(DATA),$(CURDIR)/$(dir))

export DEPSDIR	:=	$(CURDIR)/$(BUILD)

#---------------------------------------------------------------------------------
# automatically build a list of object files for our project
#---------------------------------------------------------------------------------
CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
sFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.S)))
BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))

#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
	export LD	:=	$(CC)
else
	export LD	:=	$(CXX)
endif

export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
					$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) \
					$(sFILES:.s=.o) $(SFILES:.S=.o)

#---------------------------------------------------------------------------------
# build a list of include paths
#---------------------------------------------------------------------------------
export INCLUDE	:=	$(foreach dir,$(INCLUDES), -iquote $(CURDIR)/$(dir)) \
					$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
					-I$(CURDIR)/$(BUILD) \
					-I$(LIBOGC_INC)

#---------------------------------------------------------------------------------
# build a list of library paths
#---------------------------------------------------------------------------------
export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib) \
					-L$(LIBOGC_LIB)

export OUTPUT	:=	$(CURDIR)/$(TARGET)
.PHONY: $(BUILD) clean

#---------------------------------------------------------------------------------
$(BUILD):
	@[ -d $@ ] || mkdir -p $@
	@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile

#---------------------------------------------------------------------------------
clean:
	@echo clean ...
	@rm -fr $(BUILD) $(OUTPUT).elf $(OUTPUT).dol

#---------------------------------------------------------------------------------
run:
	wiiload $(TARGET).dol


#---------------------------------------------------------------------------------
else

DEPENDS	:=	$(OFILES:.o=.d)

#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).dol: $(OUTPUT).elf
$(OUTPUT).elf: $(OFILES)

#---------------------------------------------------------------------------------
# This rule links in binary data with the .jpg extension
#---------------------------------------------------------------------------------
%.jpg.o	:	%.jpg
#---------------------------------------------------------------------------------
	@echo $(notdir $<)
	$(bin2o)

#---------------------------------------------------------------------------------
# This rule links in binary data with the .png extension
#---------------------------------------------------------------------------------
%.png.o	:	%.png
#---------------------------------------------------------------------------------
	@echo $(notdir $<)
	$(bin2o)

-include $(DEPENDS)

#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------

int initnet(char *address,int port,char data[256])
{

	int sockd;
	int count;
	struct sockaddr_in serv_name;
	char buf[MAX_BUF];
	int status;
	
	/* create a socket */
	sockd = net_socket(AF_INET, SOCK_STREAM, 0);
	
	if (sockd == -1)
	{
		//perror("Socket creation");
		return -1;
	}
	
	/* server address */ 
	serv_name.sin_family = AF_INET;
	//inet_aton(argv[1], &serv_name.sin_addr);
	inet_aton(address, &serv_name.sin_addr);
	serv_name.sin_port = port;//htons(atoi(argv[2]));
	
	/* connect to the server */ 
	status = net_connect(sockd, (struct sockaddr*)&serv_name, sizeof(serv_name));
	if (status == -1) 
	{ 
		//perror("Connection error"); 
		return -1; 
	}
	
	//count = net_read(sockd, buf, MAX_BUF);
	//count=data.length();
	count=strlen(data);
	//net_write(sockd, data, count);
	net_send(sockd, data, strlen(data)+1, MSG_DONTWAIT);
	close(sockd);
	
	return 0;
}

char            localip[16];
char            gateway[16];
char            netmask[16];

if (if_config ( localip, netmask, gateway, TRUE) < 0)
{
  // Error
  return;
}

printf("My local IP is %s, the netmask is %s and the gateway is %s\n",localip, netmask, gateway);