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x11 example: check return value of socket function

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This commit is contained in:
Marc Hoersken 2014-12-15 01:10:29 +01:00
parent be95032e29
commit 34dc1d61b4
1 changed files with 4 additions and 0 deletions
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4
example/x11.c
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@ -289,6 +289,10 @@ main (int argc, char *argv[])
} }
sock = socket (AF_INET, SOCK_STREAM, 0); sock = socket (AF_INET, SOCK_STREAM, 0);
if (sock == -1) {
perror("socket");
return -1;
}
sin.sin_family = AF_INET; sin.sin_family = AF_INET;
sin.sin_port = htons (22); sin.sin_port = htons (22);