p7-9.c

UNIX程序设计教程

#include <time.h>
#include <stdio.h>
int main(void)
{
    struct tm *tm_ptr,timestruct;
    time_t the_time;
    char buf[256];
    char *result;
    (void)time(&the_time);
    tm_ptr = localtime(&the_time);
    strftime(buf, 256, "%A %d %B, %I:%S %p",tm_ptr);
    printf("strftime gives: %s\n",buf);
    strcpy(buf,"Mon 1 February 1999 17:53 will do fine");
    printf("calling strptime with: %s\n", buf);
    tm_ptr = &timestruct;
    result = strptime(buf, "%a %d %b %Y %R",tm_ptr);
    printf("strptime parsed up to: %s\n",result);
    printf("strptime gives:\n");
        printf("    date: %02d/%02d/%02d\n",
               tm_ptr->tm_year,tm_ptr->tm_mon+1,tm_ptr->tm_mday);
        printf("    time: %02d:%02d\n",
        tm_ptr->tm_hour,tm_ptr->tm_min);
    exit(0);
}