53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* time.h: Time management. */
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#ifndef _TIME_H
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#define _TIME_H
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#include <bits/clockid.h>
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#include <bits/struct_tm.h>
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#include <bits/timespec.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Get the current value of a system clock. */
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int clock_gettime(clockid_t id, struct timespec* ts);
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/* Get the current wall clock time. */
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time_t time(time_t* tp);
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/* Get the broken-down time representation of UNIX time, in local time. */
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struct tm* localtime(const time_t* tp);
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/* Get the broken-down time representation of UNIX time, in local time. */
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struct tm* localtime_r(const time_t* tp, struct tm* out);
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/* Get the broken-down time representation of UNIX time, in UTC time. */
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struct tm* gmtime(const time_t* tp);
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/* Get the broken-down time representation of UNIX time, in UTC time. */
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struct tm* gmtime_r(const time_t* tp, struct tm* out);
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/* Build a string representation of broken-down time. */
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char* asctime(const struct tm* tm);
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/* Build a string representation of broken-down time. */
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char* asctime_r(const struct tm* tm, char buf[26]);
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/* Build a string representation of UNIX time. */
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char* ctime(const time_t* tp);
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/* Build a string representation of UNIX time. */
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char* ctime_r(const time_t* tp, char buf[26]);
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/* Format a string representation of broken-down time using a format string. */
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size_t strftime(char* buf, size_t max, const char* format, const struct tm* tm);
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#ifdef __cplusplus
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}
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#endif
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#endif
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