utils.h

DM642上的TCP/IP代码 LWIP 是TCP/ IP 在嵌入式系统中应用很多的代码

#ifndef __UTILS_H
#define __UTILS_H
#include"csl.h"


//void memcpy(void *s1, const void *s2, int n);
//void memset(void *s, const char ch, int n);

unsigned short ntohs(unsigned short s);
Uint32 ntohl(Uint32 l);
unsigned short htons(unsigned short s);
Uint32 htonl(Uint32 l);

Uint32 strtoul(char *s);
void ultostr(char *s, Uint32 data);
Uint32 strtobcd(char *s);
Uint32 strtodec(char *str, int cnt);

int strlen(const char *s);
int strncmp(const char *s1, const char *s2, int maxlen); 


#endif /* __UTILS_H */