25 lines
587 B
C
25 lines
587 B
C
#ifndef TWELVE_HOUR_CLOCK_H
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#define TWELVE_HOUR_CLOCK_H
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#include <stdint.h> /* uint8_t */
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typedef enum {
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ANTE_MERIDIEM, POST_MERIDIEM
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} meridiem_t;
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typedef struct {
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uint8_t hours;
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uint8_t minutes;
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uint8_t seconds;
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meridiem_t meridiem;
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} twleve_hour_clock_t;
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extern void read_interactively(twleve_hour_clock_t *clock);
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extern void add_one_second(twleve_hour_clock_t *clock);
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extern void add_seconds(twleve_hour_clock_t *clock, uint8_t seconds);
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extern void print_time(twleve_hour_clock_t *clock);
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extern void reprint_time(twleve_hour_clock_t *clock);
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#endif
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