1. linux int snprintf(char *restrict buf, size_t n, const char * restrict format, ...);
windows int _snprintf(
2. 头文件都是string. h
windows平台：函数：stricmp（char *str1, char *str2）, strnicmp(char *str1, char *str2, size_t n).
Linux平台: 函数：strcasecmp(char *str1, char *str2), strncasecmp(char *str1, char *str2, size_t n).
3. linux环境下是:vsnprintf
VC6环境下是:_vsnprintf
AString.cpp linux vasprintf()
- static int vasprintf(char **strp, const char *fmt, va_list va)
- {
- const int required = vsnprintf(NULL, 0, fmt, va);
- char *const buffer = (char *) malloc(required + 1);
- const int ret = vsnprintf(buffer, required + 1, fmt, va);
- *strp = buffer;
- return ret;
- }
4. windows下winsock.h/winsock2.h
linux下sys/socket.h 错误处理：errno.h
5. write windows头文件
include unistd.h
6. socklen_t
windows 头文件 #include<ws2tcpip.h>
linux 下头文件
1）#include <sys/socket.h>
2）#include <unistd.h>
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