explicitly give main's return type
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@ -11,7 +11,7 @@
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#include <netinet/in.h>
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#include <netinet/in.h>
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#include <sys/devpoll.h>
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#include <sys/devpoll.h>
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main() {
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int main() {
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int fd=open("/dev/poll",O_RDWR);
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int fd=open("/dev/poll",O_RDWR);
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struct pollfd p[100];
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struct pollfd p[100];
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int i,r;
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int i,r;
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