#include <stdio.h>
#include <time.h>
 
int main(void) {
    // using preprocessor 'trick'
    struct tm uniquenamewith__LINE__inthename = {0};
    uniquenamewith__LINE__inthename.tm_year = 2019 - 1900;
    uniquenamewith__LINE__inthename.tm_mon = 12 - 1;
    uniquenamewith__LINE__inthename.tm_mday = 18;
    time_t foo = mktime(&uniquenamewith__LINE__inthename);
 
    // using compound literal
    time_t bar = mktime(&(struct tm){.tm_year=2019-1900, .tm_mon=12-1, .tm_mday=18});
 
    printf("foo is %lu, bar is %lu\n", (unsigned long)foo, (unsigned long)bar);
	return 0;
}
 

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