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#include <stdio.h> char timelog_str[24] = {}; int last_time = 0; int elapsed_time = 0; void set_timelog(void) { elapsed_time = timer_elapsed(last_time); last_time = timer_read(); snprintf(timelog_str, sizeof(timelog_str), "lt:%5d, et:%5d", last_time, elapsed_time); } const char *read_timelog(void) { return timelog_str; }