p4-13.c

UNIX程序设计教程

#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
    int   rename_value;
    if (argc != 3){
       printf("Usage: a.out <oldname> <newname>\n");
       exit(1);
    }
    if (rename(argv[1], argv[2]) < 0 )
       printf ("ERROR: rename() call failed\n");
    else 
       printf ("rename() call successful\n");
}