cmake ZMQ_HAVE_GETRANDOM examples

zeromq/libzmq builds/cmake/Modules/ZMQSourceRunChecks.cmake :284 

check_c_source_runs(
    "
#include <sys/random.h>

int main (int argc, char *argv [])
{
    char buf[4];
    int rc = getrandom(buf, 4, 0);
    return rc == -1 ? 1 : 0;
}
"
    ZMQ_HAVE_GETRANDOM)

asset-group/5ghoul-5g-nr-attacks libs/libzmq/builds/cmake/Modules/ZMQSourceRunChecks.cmake :283 

check_c_source_runs(
    "
#include <sys/random.h>

int main (int argc, char *argv [])
{
    char buf[4];
    int rc = getrandom(buf, 4, 0);
    return rc == -1 ? 1 : 0;
}
"
    ZMQ_HAVE_GETRANDOM)