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I thing some problem with message you are sending your buffer length is 101 bytes. you need to give full source code ... to debug the error

using locks depend on ur application if u are using text file open them in exclusive mode while writing. so no concurrency problem .. if u are using database make insert,update,delete inside begin and end transation.. use unique index to avoid duplicate records etc ...

hi ! can u explain what problem ur facing u can always add a column to table and store the path of ur images in that column use alter table command to add new column and when it ask that u want to keep existing data say yes if you are using MS Access you can directly store link in the field...

you are performing all the function outside mutex the process is u should lock mutex perform all ur function and then unlock the mutex whereas wht i see is u are locking the mutex checking only if it is busy or not and coming out.

there are lot of sites giving c compiler for free you can down load from there try www.digitalmars.com

use something like that char *newbuff =(char) malloc(strlen(membuff)+1); strncpy(newbuff,membuff,strlen(membuff)); free(membuff); bye

you cannot use windows users on linux ...u have to create users for linux server. you can login as root from your machine and shutdown or reboot the server . Install Xmanager on your windows m/c to get the GUI of linux and login thru that

Pl. correct this the definition in cpp will be like this ------------------------------ int CDACSIVSession::CommandSetup(char *pszResponse, int nRespLen) { switch (m_nCommand) { .... } return 0; } Iso C++ doesn't allow a function with no return type...

Error is in this part of code ------------------------------ CDACSIVSession::CommandSetup(char *pszResponse, int nRespLen) { switch (m_nCommand) { .... } return 0; } It should be ------------- virtual int CDACSIVSession::CommandSetup(char *pszResponse...

I feel that ur problem is u haven't initialized the variable properly. so it is causing u this problem. initialise the variable and try ! It will work properly this could be a case where cout makes a difference.