int sprintf_s( char *buffer, size_t sizeOfBuffer, const char *format ,...); //这个比较特殊,需要真的去实现 #define memcpy_s(dest,num,src,count) memcpy(dest,src,count) #define fprintf_s fprintf #define _strdate_s(buf,num) _strdate(buf) #define strcat_s(dest,num,src) strcat(dest...
综上，此程序将所有“_s”后缀去掉即可通过编译。因为带这种后缀的函数不是标准库函数，而是微软自己定义...
printf_s, fprintf_s, sprintf_s, and snrintf_s are only guaranteed to be available if __STDC...
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The number of characters written,or -1 if an error occurred.If buffer or format is a null pointer. sprintf_s...Remarks The sprintf_s *function formats and store...
#include int main(void) { FILE *fp = NULL; char ch; fopen_s(&fp, "D:\\text.txt", "...#include #include int main(void) { FILE *in, *out; char ...
fprintf("%4d")fprintf("%28s")用格式输出保证这个10进制数字的字符串占4个字节，这个时间的字符串占28个字节 这样就把文本的数据组织的和结构体一样大了..调试的时候看看到底读出了多少个字节...fread你可以把单元设置为1，这样就能自己看读出出多少个字节，fread给你算了你当然看不到细节...incl...
fprintf(stderr, "Alarm time now set to %02d:%02d:%02d./n", rtc_tm.tm_hour, rtc_tm.tm_min, rtc_tm.tm_sec); // 光设定还不成,还要启用alarm类型的中断才行 /* Enable alarm interrupts */ retval = ioctl(fd, RTC_AIE_ON, 0); ...
fprintf (stderr,"Unknown policy!\n"); } Linux implements a range of 1 to 99 inclusive for the two real-time scheduling policies Linux provides two system calls for retrieving the range of valid priority values: intmin, max; min=sched_get_priority_min (SCHED_RR);if(min == −1) { ...
int s; struct timespec ts; struct sigaction sa; if (argc != 3) { fprintf(stderr, "Usage: %s <alarm-secs> <wait-secs>\n", argv[0]); exit(EXIT_FAILURE); } if (sem_init(&sem, 0, 0) == -1) handle_error("sem_init"); ...