17 lines
302 B
Text
17 lines
302 B
Text
#include <stdio.h>
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int query(int (*callback)(char *, size_t *))
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{
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char buffer[1024];
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size_t size = sizeof buffer;
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if (callback(buffer, &size) == 0) {
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puts("query: callback failed");
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} else {
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char *ptr = buffer;
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while (size-- > 0)
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putchar (*ptr++);
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putchar('\n');
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}
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}
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