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c:time.h:ctime

Table of Contents

ctime

Description

The ctime() function shall convert the time pointed to by clock, representing time in seconds since the Epoch, to local time in the form of a string. It shall be equivalent to

   asctime(localtime(clock))

1970-01-01 00:00:00 +0000 (UTC).

return value

The ctime() function shall return the pointer returned by asctime() with that broken-down time as an argument.
Upon successful completion, ctime_r() shall return a pointer to the string pointed to by buf. When an error is encountered, a null pointer shall be returned.

ctime c example

/* 
 * ctime example code
 * http://code-reference.com/c/time.h/ctime 
 */
#include <stdio.h>
#include <time.h>
 
int main(void)
{
    time_t time_format;
 
    time(&time_format);
    printf("%s\n", ctime(&time_format));
 
    return 0;
}

output for this example

  
  Mon Apr 23 18:24:18 2012

see also

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c/time.h/ctime.txt · Last modified: 2013/01/22 22:02 (external edit)

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