#iclude<stdio.h>
int main(int argc, char* argv[])
{
char *addr;
if(argc < 2)
{
printf("Usage: %s <environment variable name ", argv[0]);
exit(0);
}
addr = getenv(argv[1]);
if(addr == NULL)
printf("THE environment variable %s dosen't exist. ", argv[1]);
else
printf("%s is located at %p ", argv[1],addr);
return 0;
}
해석좀
C언어소스임 - dc app
포인터기능 테스트용 소스인가 - dc app
int main(int argc, char* argv[]) { char buf[40]; storcpy(buf,argv[1]); printf("%s\n",buf); }
이소스랑같이있더라고폴더에 뭐할때쓰는거냐