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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Cygwin, May I ask if there will be an implementation of msgget() on Cygwin for Windows? $ gcc -o sender sender.c $ ./sender key is 62720123 qid is -1 couldn't get queue id: Function not implemented I googled the above error and it seems like this issue was raised in 2017. It was meant to be fixed but I seem to have the same problem. May I ask what I should do? I've attached the files that I used. Thank you. Kind Regards, YEO Kai Wei --------------VeCHkTsdW4G07ZDQNT3a0Rmy Content-Type: text/plain; charset=UTF-8; name="sender.c" Content-Disposition: attachment; filename="sender.c" Content-Transfer-Encoding: base64 I2luY2x1ZGUgPHN0ZGlvLmg+DQoNCiNpbmNsdWRlIDxzeXMvaXBjLmg+IC8vZnRvaygpLiBGaWxl LXRvLWtleT8NCg0KI2luY2x1ZGUgPHN5cy9tc2cuaD4gLy9tc2dnZXQNCg0KI2luY2x1ZGUgPHN0 ZGxpYi5oPg0KDQojaW5jbHVkZSA8c3RyaW5nLmg+DQoNCiNpbmNsdWRlICJxdWV1ZS5oIg0KDQp2 b2lkIHJlcG9ydF9hbmRfZXhpdChjb25zdCBjaGFyKiBtc2cpDQp7DQoJcGVycm9yKG1zZyk7DQoN CglleGl0KC0xKTsNCn0NCg0KDQppbnQgbWFpbigpDQp7DQoJa2V5X3Qga2V5ID0gZnRvayhQQVRI TkFNRSwgUFJPSkVDVElEKTsNCg0KCWlmKGtleTwwKQ0KCQlyZXBvcnRfYW5kX2V4aXQoImNvdWxk bid0IGdldCBrZXkuLi4iKTsNCg0KCXByaW50Zigia2V5IGlzICVpXG4iLCBrZXkpOw0KDQoJLy9t c2dnZXQoKSBjcmVhdGVzIG1lc3NhZ2UgcXVldWUNCgkvL1JldHVybnMgU3lzdGVtIFYgbWVzc2Fn ZSBxaWQgYXNzb2NpYXRlZCB3aXRoIHZhbHVlIG9mIGtleSBhcmd1bWVudC4NCglpbnQgcWlkID0g bXNnZ2V0KGtleSwgMDY2NiB8IElQQ19DUkVBVCk7DQoJDQoJcHJpbnRmKCJxaWQgaXMgJWlcbiIs IHFpZCk7DQoNCgkvL1JhbiBpbnRvIGVycm9yIGhlcmUNCglpZihxaWQ8MCkNCgkJcmVwb3J0X2Fu ZF9leGl0KCJjb3VsZG4ndCBnZXQgcXVldWUgaWQiKTsNCg0KDQoJY2hhciogcGF5bG9hZHNbXSA9 IHsibXNnMSIsIm1zZzIiLCJtc2czIiwibXNnNCIsIm1zZzUiLCJtc2c2In07DQoNCglpbnQgdHlw ZXNbXSA9IHsxLDEsMiwyLDMsM307DQoNCglpbnQgaTsNCg0KCWZvciggaSA9IDA7IGk8IE1FU1NB R0VDT1VOVCA7IGkrKykNCgl7DQoJCS8vVHlwZSBmcm9tIHF1ZXVlLmgNCgkJcXVldWVkTWVzc2Fn ZSBtc2c7DQoNCgkJbXNnLnR5cGUgPSB0eXBlc1tpXTsNCg0KCQlzdHJjcHkobXNnLnBheWxvYWQs IHBheWxvYWRzW2ldKTsNCg0KCQltc2dzbmQocWlkLCZtc2csTUVTU0FHRUxFTkdUSCArIDEsIElQ Q19OT1dBSVQpOw0KDQoJCXByaW50ZigiJXMgc2VudCBhcyB0eXBlICVpXG4iLCBtc2cucGF5bG9h ZCwgKGludCkgbXNnLnR5cGUpOw0KCX0NCg0KCXJldHVybiAwOw0KfQ0KDQo= --------------VeCHkTsdW4G07ZDQNT3a0Rmy Content-Type: text/plain; charset=UTF-8; name="queue.h" Content-Disposition: attachment; filename="queue.h" Content-Transfer-Encoding: base64 I2RlZmluZSBQUk9KRUNUSUQgMTIzDQoNCiNkZWZpbmUgUEFUSE5BTUUgInF1ZXVlLmgiDQoNCiNk ZWZpbmUgTUVTU0FHRUxFTkdUSCA0DQoNCiNkZWZpbmUgTUVTU0FHRUNPVU5UIDYNCg0KDQp0eXBl ZGVmIHN0cnVjdCANCnsNCglsb25nIHR5cGU7CS8vbWVzc2FnZSB0eXBlDQoNCgljaGFyIHBheWxv YWRbTUVTU0FHRUxFTkdUSCArIDFdOyAvL21lc3NhZ2UuIFNvbWUgdGV4dC4NCg0KfSBxdWV1ZWRN ZXNzYWdlOw0KDQoNCg== --------------VeCHkTsdW4G07ZDQNT3a0Rmy Content-Type: text/plain; charset=UTF-8; name="receiver.c" Content-Disposition: attachment; filename="receiver.c" Content-Transfer-Encoding: base64 I2luY2x1ZGUgPHN0ZGlvLmg+DQoNCiNpbmNsdWRlIDxzeXMvaXBjLmg+IC8vZnRvaygpIGNvbnZl cnQgcGF0aG5hbWUgKyBQcm9qZWNJRCB0byBTeXN0ZW0gViBJUEMga2V5DQoNCiNpbmNsdWRlIDxz eXMvbXNnLmg+DQoNCiNpbmNsdWRlIDxzdGRsaWIuaD4NCg0KI2luY2x1ZGUgInF1ZXVlLmgiDQoN CnZvaWQgcmVwb3J0X2FuZF9leGl0KGNvbnN0IGNoYXIqIG1zZykNCnsNCglwZXJyb3IobXNnKTsN Cg0KCWV4aXQoLTEpOw0KfQ0KDQoNCmludCBtYWluKCkNCnsNCgkvL1N5cyBWIElQQyBrZXkNCglr ZXlfdCBrZXkgPSBmdG9rKFBBVEhOQU1FLCBQUk9KRUNUSUQpOw0KDQoJcHJpbnRmKCJrZXkgaXMg JWlcbiIsIGtleSk7DQoNCglpZihrZXk8MCkNCgkJcmVwb3J0X2FuZF9leGl0KCJrZXkgbm90IGdv dHRlbiIpOw0KDQoJLy9DcmVhdGUgaWYgbmVlZGVkLCBvdGhlcndpc2UgYWNjZXNzLiBOb3QgY3Jl YXRlIGFnYWluLg0KCWludCBxaWQgPSBtc2dnZXQoa2V5LCAwNjY2IHwgSVBDX0NSRUFUKTsNCg0K CWlmKHFpZCA8IDApDQoJCXJlcG9ydF9hbmRfZXhpdCgibm8gYWNjZXNzIHRvIHF1ZXVlLi4uIik7 DQoNCgkvL0RpZmZlcmVudCBmcm9tIHNlbmRlci5jDQoJaW50IHR5cGVzW10gPSB7MywxLDIsMSwz LDJ9Ow0KDQoJaW50IGk7DQoNCgkvL1NlbmRlci5jIHVzZXMgbXNnc2VuZCgpLiBSZWNlaXZlci5j IHVzZXMgbXNncmN2KCkNCglmb3IoaT0wOyBpIDwgTUVTU0FHRUNPVU5UIDsgaSsrKQ0KCXsNCgkJ cXVldWVkTWVzc2FnZSBtc2c7DQoNCgkJaWYobXNncmN2KHFpZCwmbXNnLCBNRVNTQUdFTEVOR1RI ICsgMSwgdHlwZXNbaV0sIE1TR19OT0VSUk9SIHwgSVBDX05PV0FJVCkgPCAwKQ0KCQkJcHV0cygi bXNncmN2IHRyb3VibGUuLi4iKTsNCg0KCQlwcmludGYoIiVzIHJlY2VpdmVkIGFzIHR5cGUgJWlc biIsIG1zZy5wYXlsb2FkLCAoaW50KSBtc2cudHlwZSk7DQoJfQkNCg0KCS8vUmVtb3ZlIHRoZSBx DQoJaWYobXNnY3RsKHFpZCwgSVBDX1JNSUQsIE5VTEwpIDwgMCkNCgkJcmVwb3J0X2FuZF9leGl0 KCJ0cm91YmxlIHJlbW92aW5nIHF1ZXVlLi4uIik7DQoNCglyZXR1cm4gMDsNCn0NCg0K --------------VeCHkTsdW4G07ZDQNT3a0Rmy--