yufenghou

摘要： 1 /* 2 3 在这个程序当中实现获取当前的unix时间戳 4 转化为char[] 5 */ 6 #include 7 #include 8 #include 9 void main()10 {11 //获取当前的时间戳12 time_t s;13 s=time(NULL);14 printf("%ld\n",s);15 char a[20];16 //转化为char[]17 snprintf(a,20,"%ld",s);18 printf("%s\n",a);19 } 阅读全文

摘要： #include#include#include#include#include#include#include#include#define err_sys(info) \ { \ fprintf(stderr,"%s:\n",info); \ exit(EXIT_FAILURE); \ }int glob=6;char buf[]="a write to stdout\n";int main(void ){ int var; pid_t pid; var=88; if(write(STDOUT_FILENO,buf,sizeof(buf)-1)!=s 阅读全文