como ejecutar pcp_recovery_node -h 192.168.1.48 -p 9898 -U pgpool -n 1 con contraseña

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>

int main() {
  execlp("pcp_recovery_node", \
    "pgpool","-h",\
    "192.168.1.48",\
    "-p","9898",\
    "-U","pgpool",\
    "-n", "1",\
    NULL);
}