ut

来自「Algorithms for Image Processing and Comp」· 代码 · 共 55 行

@c ----------------------------------------------------------------------
@node utime, file system
@heading @code{utime}
@subheading Syntax

@example
#include <utime.h>

itn utime(const char *file, const struct utimbuf *time);
@end example

@subheading Description

This function sets the modification timestamp on the @var{file}.  The
new time is stored in this structure:

@example
struct utimbuf
@{
    time_t  actime;  /* access time (unused) */
    time_t  modtime; /* modification time */
@};
@end example

@subheading Return Value

Zero for success, nonzero for failure.

@subheading Example

@example
struct utimbuf t;
t.modtime = time(0);
utime("data.txt", &t);
@end example

@c ----------------------------------------------------------------------
@node utimes, unix
@heading @code{utimes}
@subheading Syntax

@example
int utimes(const char *file, struct timevar tvp[2]);
@end example

@subheading Description

This function does nothing.  It is provided to assist in
porting Unix programs.

@subheading Return Value

Zero for success, nonzero for failure.