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< div class = "headertitle" > < div class = "title" > client.c File Reference< / div > < / div >
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< p > Client side implementation of Server-Client system.
< a href = "#details" > More...< / a > < / p >
< div class = "textblock" > < code > #include < stdio.h> < / code > < br / >
< code > #include < stdlib.h> < / code > < br / >
< code > #include < string.h> < / code > < br / >
< code > #include < arpa/inet.h> < / code > < br / >
< code > #include < netdb.h> < / code > < br / >
< code > #include < sys/socket.h> < / code > < br / >
< code > #include < unistd.h> < / code > < br / >
< / div > < div class = "textblock" > < div class = "dynheader" >
Include dependency graph for client.c:< / div >
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< div class = "center" > < iframe scrolling = "no" frameborder = "0" src = "../../d7/d6d/client_8c__incl.svg" width = "662" height = "110" > < p > < b > This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.< / b > < / p > < / iframe >
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< / div >
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Macros< / h2 > < / td > < / tr >
< tr class = "memitem:a392fb874e547e582e9c66a08a1f23326" > < td class = "memItemLeft" align = "right" valign = "top" > #define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d93/client_8c.html#a392fb874e547e582e9c66a08a1f23326" > MAX< / a >       80< / td > < / tr >
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< tr class = "memdesc:a392fb874e547e582e9c66a08a1f23326" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > max. < br / > < / td > < / tr >
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< tr class = "memdesc:a1e43924adac4ae865aa0acf79710261c" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > shortname for sockaddr < br / > < / td > < / tr >
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Functions< / h2 > < / td > < / tr >
< tr class = "memitem:ac17020a38607ab29ce18939d5194a32a" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d93/client_8c.html#ac17020a38607ab29ce18939d5194a32a" > func< / a > (int sockfd)< / td > < / tr >
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< tr class = "memdesc:ac17020a38607ab29ce18939d5194a32a" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Continuous loop to send and receive over the socket. < br / > < / td > < / tr >
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< tr class = "memitem:ae66f6b31b5ad750f1fe042a706a4e3d4" > < td class = "memItemLeft" align = "right" valign = "top" > int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d93/client_8c.html#ae66f6b31b5ad750f1fe042a706a4e3d4" > main< / a > ()< / td > < / tr >
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< tr class = "memdesc:ae66f6b31b5ad750f1fe042a706a4e3d4" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Driver code. < br / > < / td > < / tr >
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< / table >
< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
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< div class = "textblock" > < p > Client side implementation of Server-Client system. < / p >
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< dl class = "section author" > < dt > Author< / dt > < dd > < a href = "https://github.com/Nairit11" target = "_blank" > Nairit11< / a > < / dd >
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< dd >
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< a href = "https://github.com/kvedala" target = "_blank" > Krishna Vedala< / a > < / dd > < / dl >
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< dl class = "section see" > < dt > See also< / dt > < dd > < a class = "el" href = "../../d1/d20/server_8c.html" title = "Server side implementation of Server-Client system." > client_server/server.c< / a > < / dd > < / dl >
< / div > < h2 class = "groupheader" > Macro Definition Documentation< / h2 >
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< a id = "a392fb874e547e582e9c66a08a1f23326" name = "a392fb874e547e582e9c66a08a1f23326" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a392fb874e547e582e9c66a08a1f23326" > ◆   < / a > < / span > MAX< / h2 >
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > #define MAX      80< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > max. < / p >
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< p > characters per message < / p >
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< / div >
< / div >
< h2 class = "groupheader" > Function Documentation< / h2 >
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< a id = "ac17020a38607ab29ce18939d5194a32a" name = "ac17020a38607ab29ce18939d5194a32a" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ac17020a38607ab29ce18939d5194a32a" > ◆   < / a > < / span > func()< / h2 >
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void func < / td >
< td > (< / td >
< td class = "paramtype" > int  < / td >
< td class = "paramname" > < em > sockfd< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Continuous loop to send and receive over the socket. < / p >
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< p > Exits when "exit" is sent from commandline. < / p > < dl class = "params" > < dt > Parameters< / dt > < dd >
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< table class = "params" >
< tr > < td class = "paramname" > sockfd< / td > < td > socket handle number < / td > < / tr >
< / table >
< / dd >
< / dl >
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< div class = "fragment" > < div class = "line" > < span class = "lineno" > 38< / span > {< / div >
< div class = "line" > < span class = "lineno" > 39< / span > < span class = "keywordtype" > char< / span > buff[< a class = "code hl_define" href = "../../dd/d93/client_8c.html#a392fb874e547e582e9c66a08a1f23326" > MAX< / a > ];< / div >
< div class = "line" > < span class = "lineno" > 40< / span > < span class = "keywordtype" > int< / span > n;< / div >
< div class = "line" > < span class = "lineno" > 41< / span > < span class = "keywordflow" > for< / span > (;;)< / div >
< div class = "line" > < span class = "lineno" > 42< / span > {< / div >
< div class = "line" > < span class = "lineno" > 43< / span > bzero(buff, < span class = "keyword" > sizeof< / span > (buff));< / div >
< div class = "line" > < span class = "lineno" > 44< / span > printf(< span class = "stringliteral" > " Enter the string : " < / span > );< / div >
< div class = "line" > < span class = "lineno" > 45< / span > n = 0;< / div >
< div class = "line" > < span class = "lineno" > 46< / span > < span class = "keywordflow" > while< / span > ((buff[n++] = getchar()) != < span class = "charliteral" > ' \n' < / span > )< / div >
< div class = "line" > < span class = "lineno" > 47< / span > {< / div >
< div class = "line" > < span class = "lineno" > 48< / span > ;< / div >
< div class = "line" > < span class = "lineno" > 49< / span > }< / div >
< div class = "line" > < span class = "lineno" > 50< / span > write(sockfd, buff, < span class = "keyword" > sizeof< / span > (buff));< / div >
< div class = "line" > < span class = "lineno" > 51< / span > bzero(buff, < span class = "keyword" > sizeof< / span > (buff));< / div >
< div class = "line" > < span class = "lineno" > 52< / span > read(sockfd, buff, < span class = "keyword" > sizeof< / span > (buff));< / div >
< div class = "line" > < span class = "lineno" > 53< / span > printf(< span class = "stringliteral" > " From Server : %s" < / span > , buff);< / div >
< div class = "line" > < span class = "lineno" > 54< / span > < span class = "keywordflow" > if< / span > ((strncmp(buff, < span class = "stringliteral" > " exit" < / span > , 4)) == 0)< / div >
< div class = "line" > < span class = "lineno" > 55< / span > {< / div >
< div class = "line" > < span class = "lineno" > 56< / span > printf(< span class = "stringliteral" > " Client Exit...\n" < / span > );< / div >
< div class = "line" > < span class = "lineno" > 57< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < span class = "lineno" > 58< / span > }< / div >
< div class = "line" > < span class = "lineno" > 59< / span > }< / div >
< div class = "line" > < span class = "lineno" > 60< / span > }< / div >
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< div class = "ttc" id = "aclient_8c_html_a392fb874e547e582e9c66a08a1f23326" > < div class = "ttname" > < a href = "../../dd/d93/client_8c.html#a392fb874e547e582e9c66a08a1f23326" > MAX< / a > < / div > < div class = "ttdeci" > #define MAX< / div > < div class = "ttdoc" > max.< / div > < div class = "ttdef" > < b > Definition:< / b > client.c:28< / div > < / div >
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< / div >
< / div >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ae66f6b31b5ad750f1fe042a706a4e3d4" > ◆   < / a > < / span > main()< / h2 >
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > int main < / td >
< td > (< / td >
< td class = "paramtype" > void  < / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Driver code. < / p >
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< div class = "fragment" > < div class = "line" > < span class = "lineno" > 71< / span > {< / div >
< div class = "line" > < span class = "lineno" > 72< / span > < span class = "preprocessor" > #ifdef _WIN32< / span > < / div >
< div class = "line" > < span class = "lineno" > 73< / span > < span class = "comment" > // when using winsock2.h, startup required< / span > < / div >
< div class = "line" > < span class = "lineno" > 74< / span > WSADATA wsData;< / div >
< div class = "line" > < span class = "lineno" > 75< / span > < span class = "keywordflow" > if< / span > (WSAStartup(MAKEWORD(2, 2), & wsData) != 0)< / div >
< div class = "line" > < span class = "lineno" > 76< / span > {< / div >
< div class = "line" > < span class = "lineno" > 77< / span > perror(< span class = "stringliteral" > " WSA Startup error: \n" < / span > );< / div >
< div class = "line" > < span class = "lineno" > 78< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < span class = "lineno" > 79< / span > }< / div >
< div class = "line" > < span class = "lineno" > 80< / span > < / div >
< div class = "line" > < span class = "lineno" > 81< / span > atexit(cleanup); < span class = "comment" > // register at-exit function< / span > < / div >
< div class = "line" > < span class = "lineno" > 82< / span > < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < span class = "lineno" > 83< / span > < / div >
< div class = "line" > < span class = "lineno" > 84< / span > < span class = "keywordtype" > int< / span > sockfd, connfd;< / div >
< div class = "line" > < span class = "lineno" > 85< / span > < span class = "keyword" > struct < / span > sockaddr_in servaddr, cli;< / div >
< div class = "line" > < span class = "lineno" > 86< / span > < / div >
< div class = "line" > < span class = "lineno" > 87< / span > < span class = "comment" > // socket create and verification< / span > < / div >
< div class = "line" > < span class = "lineno" > 88< / span > sockfd = socket(AF_INET, SOCK_STREAM, 0);< / div >
< div class = "line" > < span class = "lineno" > 89< / span > < span class = "keywordflow" > if< / span > (sockfd == -1)< / div >
< div class = "line" > < span class = "lineno" > 90< / span > {< / div >
< div class = "line" > < span class = "lineno" > 91< / span > printf(< span class = "stringliteral" > " socket creation failed...\n" < / span > );< / div >
< div class = "line" > < span class = "lineno" > 92< / span > exit(0);< / div >
< div class = "line" > < span class = "lineno" > 93< / span > }< / div >
< div class = "line" > < span class = "lineno" > 94< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < span class = "lineno" > 95< / span > {< / div >
< div class = "line" > < span class = "lineno" > 96< / span > printf(< span class = "stringliteral" > " Socket successfully created..\n" < / span > );< / div >
< div class = "line" > < span class = "lineno" > 97< / span > }< / div >
< div class = "line" > < span class = "lineno" > 98< / span > bzero(& servaddr, < span class = "keyword" > sizeof< / span > (servaddr));< / div >
< div class = "line" > < span class = "lineno" > 99< / span > < / div >
< div class = "line" > < span class = "lineno" > 100< / span > < span class = "comment" > // assign IP, PORT< / span > < / div >
< div class = "line" > < span class = "lineno" > 101< / span > servaddr.sin_family = AF_INET;< / div >
< div class = "line" > < span class = "lineno" > 102< / span > servaddr.sin_addr.s_addr = inet_addr(< span class = "stringliteral" > " 127.0.0.1" < / span > );< / div >
< div class = "line" > < span class = "lineno" > 103< / span > servaddr.sin_port = htons(< a class = "code hl_define" href = "../../dd/d93/client_8c.html#a614217d263be1fb1a5f76e2ff7be19a2" > PORT< / a > );< / div >
< div class = "line" > < span class = "lineno" > 104< / span > < / div >
< div class = "line" > < span class = "lineno" > 105< / span > < span class = "comment" > // connect the client socket to server socket< / span > < / div >
< div class = "line" > < span class = "lineno" > 106< / span > < span class = "keywordflow" > if< / span > (connect(sockfd, (< a class = "code hl_define" href = "../../dd/d93/client_8c.html#a1e43924adac4ae865aa0acf79710261c" > SA< / a > *)& servaddr, < span class = "keyword" > sizeof< / span > (servaddr)) != 0)< / div >
< div class = "line" > < span class = "lineno" > 107< / span > {< / div >
< div class = "line" > < span class = "lineno" > 108< / span > printf(< span class = "stringliteral" > " connection with the server failed...\n" < / span > );< / div >
< div class = "line" > < span class = "lineno" > 109< / span > exit(0);< / div >
< div class = "line" > < span class = "lineno" > 110< / span > }< / div >
< div class = "line" > < span class = "lineno" > 111< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < span class = "lineno" > 112< / span > {< / div >
< div class = "line" > < span class = "lineno" > 113< / span > printf(< span class = "stringliteral" > " connected to the server..\n" < / span > );< / div >
< div class = "line" > < span class = "lineno" > 114< / span > }< / div >
< div class = "line" > < span class = "lineno" > 115< / span > < / div >
< div class = "line" > < span class = "lineno" > 116< / span > < span class = "comment" > // function for chat< / span > < / div >
< div class = "line" > < span class = "lineno" > 117< / span > < a class = "code hl_function" href = "../../dd/d93/client_8c.html#ac17020a38607ab29ce18939d5194a32a" > func< / a > (sockfd);< / div >
< div class = "line" > < span class = "lineno" > 118< / span > < / div >
< div class = "line" > < span class = "lineno" > 119< / span > < span class = "comment" > // close the socket< / span > < / div >
< div class = "line" > < span class = "lineno" > 120< / span > close(sockfd);< / div >
< div class = "line" > < span class = "lineno" > 121< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < span class = "lineno" > 122< / span > }< / div >
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< div class = "ttc" id = "aclient_8c_html_a1e43924adac4ae865aa0acf79710261c" > < div class = "ttname" > < a href = "../../dd/d93/client_8c.html#a1e43924adac4ae865aa0acf79710261c" > SA< / a > < / div > < div class = "ttdeci" > #define SA< / div > < div class = "ttdoc" > shortname for sockaddr< / div > < div class = "ttdef" > < b > Definition:< / b > client.c:30< / div > < / div >
< div class = "ttc" id = "aclient_8c_html_a614217d263be1fb1a5f76e2ff7be19a2" > < div class = "ttname" > < a href = "../../dd/d93/client_8c.html#a614217d263be1fb1a5f76e2ff7be19a2" > PORT< / a > < / div > < div class = "ttdeci" > #define PORT< / div > < div class = "ttdoc" > port number to connect to< / div > < div class = "ttdef" > < b > Definition:< / b > client.c:29< / div > < / div >
< div class = "ttc" id = "aclient_8c_html_ac17020a38607ab29ce18939d5194a32a" > < div class = "ttname" > < a href = "../../dd/d93/client_8c.html#ac17020a38607ab29ce18939d5194a32a" > func< / a > < / div > < div class = "ttdeci" > void func(int sockfd)< / div > < div class = "ttdoc" > Continuous loop to send and receive over the socket.< / div > < div class = "ttdef" > < b > Definition:< / b > client.c:37< / div > < / div >
< / div > <!-- fragment --> < div class = "dynheader" >
Here is the call graph for this function:< / div >
< div class = "dyncontent" >
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< div class = "center" > < iframe scrolling = "no" frameborder = "0" src = "../../dd/d93/client_8c_ae66f6b31b5ad750f1fe042a706a4e3d4_cgraph.svg" width = "156" height = "36" > < p > < b > This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.< / b > < / p > < / iframe >
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< / div >
< / div >
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< / div >
< / div >
< / div > <!-- contents -->
< / div > <!-- doc - content -->
<!-- start footer part -->
< div id = "nav-path" class = "navpath" > <!-- id is needed for treeview function! -->
< ul >
< li class = "navelem" > < a class = "el" href = "../../dir_d20ad0b8de644c123692ba5582cc7a7b.html" > client_server< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dd/d93/client_8c.html" > client.c< / a > < / li >
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< li class = "footer" > Generated by < a href = "https://www.doxygen.org/index.html" > < img class = "footer" src = "../../doxygen.svg" width = "104" height = "31" alt = "doxygen" / > < / a > 1.9.6 < / li >
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< / ul >
< / div >
< / body >
< / html >
