How to use the asctime () and asctime_r () functions in linux

This article is about how to use the asctime () and asctime_r () functions in linux. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Asctime () asctime_r () returns the time and date as a string'

The function prototype is as follows:

1 # include 2 3 struct tm * gmtime (const time_t * timep); 4 struct tm * gmtime_r (const time_t * timep, struct tm * result); 56 char * asctime (const struct tm * tm); 7 char * asctime_r (const struct tm * tm, char * buf); 8 9 10 / * gmtime is a function of converting date and time into GMT time. Convert the information in the time_t structure referred to by the parameter time to the real-world time and date representation method, and then return the result from the structure tm to * * / 11 12 / * asctime and return the time to * * / eg in string format:

1 # include 2 # include 3 # include 4 5 int main () 6 {7 time_t timep; 8 time (& timep); 9 10 printf ("% s\ n", asctime (& timep)); 11 12 return 0; 13} Thank you for reading! This is the end of the article on "how to use the asctime () and asctime_r () functions in linux". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it for more people to see!