How to convert timestamp into time in C language

This article introduces the knowledge of "how to convert timestamps into time in C language". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

# include # include int isNumber (char * NUM) / / check for a number,ture return non-0,false return 0; {int ret = 0; int ct=0; for (ct=0; ct 2) {printf ("The parameter is only onetimbers!\ n"); ret = 1; goto End;} else if (argc < 2) {printf ("The program need a parameterized!\ n") Ret = 2; goto End;} if (isNumber (argv [1]) = = 0) {printf ("The parameter must be numbered codes!\ n"); ret = 3; goto End;} if (strlen (argv [1])! = 10) {printf ("The parameter is not good timestamps!\ n"); ret = 4; goto End } tt= atoi (argv [1]); p = localtime (& tt); strftime (str, 1024, "% F% T", p); printf ("% s\ n", str); End: if (str! = NULL) {free (str);} if (str! = NULL) {free (p);} return ret This is the end of the introduction of "how to convert timestamps into time in C language". Thank you for your reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!