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linux c时间操作相关函数

程序员文章站 2022-07-13 17:21:01
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1. linux c的时间操作的函数关系图如下:

 


linux c时间操作相关函数
            
    
    博客分类: c&c++硬件,操作系统linux  

 

2. strftime时间格式化的说明如下:

 

specifier Replaced by Example
%a Abbreviated weekday name * Thu
%A Full weekday name * Thursday
%b Abbreviated month name * Aug
%B Full month name * August
%c Date and time representation * Thu Aug 23 14:55:02 2001
%d Day of the month (01-31) 23
%H Hour in 24h format (00-23) 14
%I Hour in 12h format (01-12) 02
%j Day of the year (001-366) 235
%m Month as a decimal number (01-12) 08
%M Minute (00-59) 55
%p AM or PM designation PM
%S Second (00-61) 02
%U Week number with the first Sunday as the first day of week one (00-53) 33
%w Weekday as a decimal number with Sunday as 0 (0-6) 4
%W Week number with the first Monday as the first day of week one (00-53) 34
%x Date representation * 08/23/01
%X Time representation * 14:55:02
%y Year, last two digits (00-99) 01
%Y Year 2001
%Z Timezone name or abbreviation CDT
%% % sign %