#define sleep(x) smpi_sleep(x)
#define usleep(x) smpi_usleep(x)
-#define gettimeofday(x, y) smpi_gettimeofday(x, 0)
+#define gettimeofday(x, y) smpi_gettimeofday((x), 0)
#if _POSIX_TIMERS > 0
-#define nanosleep(x, y) smpi_nanosleep(x, y)
-#define clock_gettime(x, y) smpi_clock_gettime(x, y)
+#define nanosleep(x, y) smpi_nanosleep((x), (y))
+#define clock_gettime(x, y) smpi_clock_gettime((x), (y))
#endif
-#define getopt(x,y,z) smpi_getopt(x,y,z)
-#define getopt_long(x,y,z,a,b) smpi_getopt_long(x,y,z,a,b)
-#define getopt_long_only(x,y,z,a,b) smpi_getopt_long_only(x,y,z,a,b)
+#define getopt(x, y, z) smpi_getopt((x), (y), (z))
+#define getopt_long(x, y, z, a, b) smpi_getopt_long((x), (y), (z), (a), (b))
+#define getopt_long_only(x, y, z, a, b) smpi_getopt_long_only((x), (y), (z), (a), (b))
#endif
