TMS34010 C Compiler - Al Kossow's Bitsavers

mktime
Convert to Calendar Time
Syntax
Defined in
Description
Example
#include
time_t *mktime{timeptr)
struct tm *timeptr;
mktime.c in rts.src
The mktime function converts a broken-down time, expressed as local time,
into proper calendar time. The timeptr argument points to a structure that
holds the broken-down time.
The function ignores the original values of tm.....wday and tm.....yday, and
does not restrict the other values in the structure. After successful completion,
tm.....wday and tm.....yday are set appropriately, and the other components
in the structure have values within the restricted ranges. The final
value of tm-mday is not sent until tm.....mon and tm.....year are determined.
The return value is encoded as a value of type time-to If the calendar time
cannot be represented, the function returns the value -1.
This example determines the day of the week that July 4, 2001, falls on.
#include
static const char *const wday[] = (
"Sunday", "Monday", "Tuesday", "Wednesday",
"Thursday", "Friday", "Saturday" };
struct tm time-str;
time-str.tm.....year
time_str.tm-mon
time_str.tm-mday
time-str.tm.....hour
time_str.tm-min
time-str.tm.....sec
time-str.tm.....isdst
mktime(&time-str) ;
2001 - 1900;
7 ;
4 ;
0;
0;
1;
1;
printf ("result is %s\n", wday[time-str.tm.....wday])i
/* After calling this function, time-str.tm.....wday
contains the day of the week for July 4, 2001 */
For more information about the functions and types that the
header declares, see Section 6.1 .10 on page 6 -7.
time. h
6-56