.TH "KDK_SYSTEM_GET_SHORTFORMAT_DATE" 3 "Tue Sep 19 2023" "Linux Programmer's Manual" \" .SH NAME kdk_system_get_shortformat_date - 获取当前的短格式日期 .SH SYNOPSIS .nf .B #include .sp .BI "extern char* kdk_system_get_shortformat_date();" .sp Link with \fI\-lkydate\fP. .SH "Detailed Description" The main function of this interface is to obtain the current short format date. .PP .SH "RETURN VALUE" On success, returns current short format date with type of char *; The returned string needs to be released by .I free . .PP On error, return .BR NULL. .SH EXAMPLES .EX #include "libkydate.h" #include #include #include #include #include #include #include int main() { int ret = kdk_system_set_long_dateformat("2230年3月4日"); ret = kdk_system_set_short_dateformat("22/5/3"); char *ld = kdk_system_get_longformat_date(); printf("long res = %s\n", ld); free(ld); char *sd = kdk_system_get_shortformat_date(); printf("short res = %s\n", sd); free(sd); char *ll = kdk_system_get_longformat(); printf("longformat = %s\n", ll); free(ll); char *ss = kdk_system_get_shortformat(); printf("shortformat = %s\n", ss); free(ss); struct tm ptr; ptr.tm_year = 2322; ptr.tm_mon = 9; ptr.tm_mday = 3; char *lt = kdk_system_longformat_transform(&ptr); printf("longformat_transform = %s\n", lt); free(lt); ptr.tm_year = 2022; ptr.tm_mon = 3; ptr.tm_mday = 2; char *st = kdk_system_shortformat_transform(&ptr); printf("shortformat_transform = %s\n", st); free(st); kdk_logn_dateinfo *info = kdk_system_login_lock_dateinfo("szm"); printf("date = %s,time = %s,week = %s\n",info->date,info->time,info->week); kdk_free_logn_dateinfo(info); ptr.tm_hour = 19; ptr.tm_min = 3; ptr.tm_sec = 2; kdk_timeinfo *ti = kdk_system_timeformat_transform(&ptr); printf("time = %s, timesec = %s\n", ti->time, ti->timesec); kdk_free_timeinfo(ti); return 0; } .SH "CONFORMING TO" These functions are as per the withdrawn POSIX.1e draft specification. The following functions are Linux extensions: .BR kdk_system_get_dateformat (), .BR kdk_system_set_dateformat (), .BR kdk_system_set_24_timeformat (), .BR kdk_system_set_12_timeformat (), .BR kdk_system_get_now_dateformat (), .BR kdk_system_get_now_timeformat (), .BR kdk_system_tran_dateformat (), .BR kdk_system_nowtime (), .BR kdk_system_nowdate (), .BR kdk_system_shortweek (), .BR kdk_system_longweek (), .BR kdk_system_second (), .BR kdk_system_logn_dateinfo (), .BR kdk_system_gjx_time (), .BR kdk_date_freeall (), .BR kdk_free_dateinfo (), .BR kdk_free_logn_dateinfo (), .BR kdk_system_set_long_dateformat (), .BR kdk_system_set_short_dateformat (), .BR kdk_system_get_longformat_date (), .BR kdk_system_get_longformat (), .BR kdk_system_get_shortformat (), .BR kdk_system_longformat_transform (), .BR kdk_system_shortformat_transform (), .BR kdk_system_login_lock_dateinfo (), .BR kdk_system_timeformat_transform () and .BR kdk_free_timeinfo (). .SH "SEE ALSO" .BR kdk_system_get_dateformat (3), .BR kdk_system_set_dateformat (3), .BR kdk_system_set_24_timeformat (3), .BR kdk_system_set_12_timeformat (3), .BR kdk_system_get_now_dateformat (3), .BR kdk_system_get_now_timeformat (3), .BR kdk_system_tran_dateformat (3), .BR kdk_system_nowtime (3), .BR kdk_system_nowdate (3), .BR kdk_system_shortweek (3), .BR kdk_system_longweek (3), .BR kdk_system_second (3), .BR kdk_system_logn_dateinfo (3), .BR kdk_system_gjx_time (3), .BR kdk_date_freeall (3), .BR kdk_free_dateinfo (3), .BR kdk_free_logn_dateinfo (3), .BR kdk_system_set_long_dateformat (3), .BR kdk_system_set_short_dateformat (3), .BR kdk_system_get_longformat_date (3), .BR kdk_system_get_longformat (3), .BR kdk_system_get_shortformat (3), .BR kdk_system_longformat_transform (3), .BR kdk_system_shortformat_transform (3), .BR kdk_system_login_lock_dateinfo (3), .BR kdk_system_timeformat_transform (3) and .BR kdk_free_timeinfo (3).