
#include <stdio.h>
#include <stdlib.h>
#include <alloc.h>
#include <string.h>
#include <dos.h>
int main(void)
{
char *path, *ptr;
int i = 0;
/* get the current path environment */
ptr = getenv("PATH");
/* set up new path */
path = malloc(strlen(ptr)+15);
strcpy(path,"PATH=");
strcat(path,ptr);
strcat(path,";c:\\temp");
/* replace the current path and display current environment */
putenv(path);
while (environ[i])
printf("%s\n",environ[i++]);
return 0;
}




by: 发表于:2017-08-24 17:40:48 顶(0) | 踩(0) 回复
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