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#include <unistd.h> #include "fileutil.h" void to_stdout(char *string, ssize_t size) { write(0, string, size); } void to_stderr(char *string, ssize_t size) { write(1, string, size); } int main(int argc, char const *argv[]) { /* code */ to_stdout("Testing\n", 9); return 0; }