#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/time.h>
#include <sched.h>
#define COUNT 10000000
//#define COUNT 10000000
#define MILLION 1000000Lsize_t VisCore_Strlcpy(char *dst, const char *src, size_t n)
{const char *src0 = src;char dummy[1];if (!n) {dst = dummy;}else {--n;}   while ((*dst = *src) != 0) {if (n) {--n;++dst;}++src; }return src - src0;
} int main(void)
{int i;long long   tdif;struct timeval tend, tstart;char data[1024];char *buf1 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa""aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa""aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaababbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb""aaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb""ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc";char *buf = "aaaaaaaaaaaaaaaaaaaaaaaa";if (gettimeofday(&tstart, NULL) == -1) {fprintf(stderr, "Failed to get start time\n");return 1;}
#if 1   for (i = 0; i < COUNT; i++) {//snprintf(data, sizeof(data), "%s", buf);//snprintf(data, sizeof(data), "%s", buf);//strlcpy(data, buf, sizeof(data));
        VisCore_Strlcpy(data, buf, sizeof(data));//strncpy(data, buf, sizeof(data));
    }
#endif      if (gettimeofday(&tend, NULL) == -1) {fprintf(stderr, "Failed to get end time\n");return 1;}tdif = MILLION * (tend.tv_sec - tstart.tv_sec) + (tend.tv_usec - tstart.tv_usec);//printf("nanosleep() time is %lld us\n", tdif);printf("nanosleep() time is %f us\n", tdif*1.0/COUNT);//printf("nanosleep() time is %lld us\n", tdif/COUNT);return 0;
}