/ ************************************************************************ * * Purpose: To play with the time.h functions. * * Author: M.J. Leslie * * Date: 18-Mar-95 * ************************************************************************/ #include <stdio.h> /* NULL */ #include <time.h> /* ctime, asctime */ main() { time_t now; /* define 'now'. time_t is probably * a typedef */ /* Calender time is the number of * seconds since 1/1/1970 */ now = time((time_t *)NULL); /* Get the system time and put it * into 'now' as 'calender time' */ printf("%s", ctime(&now)); /* Format data in 'now' * NOTE that 'ctime' inserts a * '\n' */ /*********************************************************************/ /* Here is another way to extract the time/date information */ time(&now); printf("%s", ctime(&now)); /* Format data in 'now' */ /*********************************************************************/ { struct tm *l_time; l_time = localtime(&now); /* Convert 'calender time' to * 'local time' - return a pointer * to the 'tm' structure. localtime * reserves the storage for us. */ printf("%s", asctime(l_time)); } /*********************************************************************/ time(&now); printf("%s", asctime(localtime( &now ))); /*********************************************************************/ { struct tm *l_time; char string[20]; time(&now); l_time = localtime(&now); strftime(string, sizeof string, "%d-%b-%y\n", l_time); printf("%s", string); } }
file: /Techref/language/ccpp/cref/EXAMPLES/time.c, 1KB, , updated: 1997/5/21 10:15, local time: 2024/8/14 19:03,
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