1 | #include <stdio.h>
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2 | #include <unistd.h>
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3 | #include <string.h>
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4 | #include <sys/types.h>
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5 |
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6 |
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7 | int
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8 | main()
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9 | {
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10 | char buffer[512];
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11 | size_t numOfButes = sizeof(buffer);
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12 | memset(buffer, '\0', numOfButes);
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13 | ssize_t bytesRead;
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14 |
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15 | while (true) {
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16 | bytesRead = read(STDIN_FILENO, buffer, numOfButes);
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17 | if (!strncmp(buffer, "quit", 4)) {
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18 | printf("break, buffer : %s butesRead %d %d\n", buffer, bytesRead, (int)buffer[4]);
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19 | break;
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20 | }
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21 | write(STDOUT_FILENO, buffer, numOfButes);
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22 | memset(buffer, '\0', numOfButes);
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23 | }
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24 | return 0;
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25 | }
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