dmusga.c

#include <sys/klog.h>
#include <stdlib.h>
#include <unistd.h>

int main(void) {
    int logsize = klogctl(10 /* SYSLOG_ACTION_SIZE_BUFFER */, 0, 0);
    char *bufp = malloc(logsize);
    
    klogctl(3 /* SYSLOG_ACTION_READ_ALL */, bufp, logsize);
    write(1, bufp, logsize);

    return 0;
}