璦褰掓浼狅紝宸茬粡濂藉儚鏄湪璇匯奀涓撳緙栫▼銆嬫椂錛岃鍒拌繃璇存暟緇勫悕鏄釜寰?#8220;濂囩壒”鐨勬寚閽堬紝鏌愮鎰忎箟涓婅錛屽畠涓嶈兘縐頒負(fù)鎸囬拡錛屽洜涓哄畠鍙兘浣滀負(fù)鍙沖煎嚭鐜幫紝褰撴椂涔熸瘮杈冭糠鎯戯紝寰堝伓鐒?dòng)灱屼粖澶╁湪璇汇奤nix鐜楂樼駭緙栫▼銆嬫椂錛屽啓涓涓墦鍗板嚭榪涚▼鐨勭幆澧冨彉閲忚〃鐨勫皬鐜╂剰錛岃鐢ㄥ埌environ榪欎釜鍏ㄥ眬鎸囬拡錛屽畠?yōu)鏄釜鎸囬拡鏁熬l勭殑鍚嶅瓧錛岃鏁扮粍姣忎釜鍏冪礌涓轟竴涓瓧絎︿覆錛屼互'\0'緇撳熬錛屾暟緇勬渶鍚庝竴涓厓绱犱負(fù)NULL錛屽紑濮嬪厛鎶婅鏁扮粍鐨勯鍦板潃鎷瘋礉緇欎簡(jiǎn)鍙︿竴涓寚閽堬紝char **pp = environ; 鐒跺悗涓轟簡(jiǎn)鍋忕Щ鍒頒笅涓涓瓧絎︿覆錛屾垜绔熺劧浣庣駭鐨勫啓浜?+environ錛岀紪璇戞姤閿欒: ISO C++ forbid to use a non-refernece type as a lvalue! 欏挎椂鎯沖埌environ鏄竴涓暟緇勫悕錛屼笉鑳戒綔涓轟竴涓乏鍊間嬌鐢ㄣ備簬鏄張鎯沖埌浜?jiǎn)濡傛灉int *ia1[]; int *ia2[]錛屽綋鍐檌a1 = ia2鏃朵細(xì)鍑虹幇鍚屾牱鐨勯敊錛岃繖灝辨槸鍥犱負(fù)ia1 ia2閮戒負(fù)鍙沖鹼紝浠諱綍涓涓笉鑳藉嚭鐜板湪=鍙風(fēng)殑宸﹁竟鍏呭綋宸﹀鹼紒
浠ｇ爜1錛?br>char *sz[] = { "aaa", "bbb", "ccc", 0 };
int i = 0;
while (sz[i] != 0)
{
char *p = sz[i];
printf("%s\n", p);
++i;
}
浠ｇ爜2: Unix緋葷粺涓婃墦鍗頒竴涓繘紼嬬殑鐜鍙橀噺琛?br>char **pp = environ;
while (*pp != 0) {
printf("%s\n", *pp);
++pp;
}
灝戠殑鍙滐紝1涓皬鏃舵氮璐逛簡(jiǎn)....
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