Tibor Nagy
4381bb2a22
When the execution reaches the end of the main functions, they implicitly return a successful status.
26 lines
478 B
C
26 lines
478 B
C
#include <time.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main(void) {
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struct timespec tm = {0, 0};
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int cgt = clock_gettime(CLOCK_REALTIME, &tm);
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if (cgt == -1) {
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perror("clock_gettime");
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return EXIT_FAILURE;
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}
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time_t t = time(NULL);
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if (t == (time_t)-1) {
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perror("time");
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return EXIT_FAILURE;
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}
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clock_t c = clock();
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if (c == (clock_t)-1) {
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perror("clock");
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return EXIT_FAILURE;
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}
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}
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