Linux utimensat/futimens/utime/utimes等等 函数(修改文件时间)
一、函数声明// utimensat, futimens - change file timestamps with nanosecond precision(即都支持纳秒级)#include <fcntl.h> /* Definition of AT_* constants */#include <sys/stat.h>int utimensat(int dirfd, const char *pathname,