diff --git a/cmd-bl.c b/cmd-bl.c
index bae2fe9..e277768 100644
--- a/cmd-bl.c
+++ b/cmd-bl.c
@@ -15,7 +15,7 @@ int cmd_bl(int argc, char **argv)
 		return -1;
 	}
 
-	level = _strtoul(argv[0], NULL, 0);
+	level = strtoul(argv[0], NULL, 0);
 
 	if( level > BLLED_MAX_LEVEL ) {
 	  level = 0;
diff --git a/cmd-hex.c b/cmd-hex.c
index 358b9b3..b0f5f49 100644
--- a/cmd-hex.c
+++ b/cmd-hex.c
@@ -14,10 +14,10 @@ int cmd_hex(int argc, char **argv)
 		return -1;
 	}
 
-	offset = _strtoul(argv[0], NULL, 0);
+	offset = strtoul(argv[0], NULL, 0);
 
 	if (argc > 1)
-		count = _strtoul(argv[1], NULL, 0);
+		count = strtoul(argv[1], NULL, 0);
 
 	serial_print_hex((const void *)offset, count);
 	return 0;
diff --git a/cmd-irq.c b/cmd-irq.c
index 35d1f23..ebf65cd 100644
--- a/cmd-irq.c
+++ b/cmd-irq.c
@@ -21,7 +21,7 @@ int cmd_irq(int argc, char **argv)
 		return -1;
 	}
 
-	num = _strtoul(argv[1], NULL, 0);
+	num = strtoul(argv[1], NULL, 0);
 	if (num >= __irq_max__) {
 		printf("Only %d IRQs present\n", __irq_max__);
 		return -1;
diff --git a/cmd-led.c b/cmd-led.c
index fd6ad4b..f2004f8 100644
--- a/cmd-led.c
+++ b/cmd-led.c
@@ -14,7 +14,7 @@ int cmd_led(int argc, char **argv)
 		return -1;
 	}
 
-	state = _strtoul(argv[0], NULL, 0);
+	state = strtoul(argv[0], NULL, 0);
 
 	if( state ) {
 	  *((volatile uint32_t *) BIG_LED_ADDR) = BIG_LED_ON;
diff --git a/cmd-load.c b/cmd-load.c
index 1b4eaae..af81971 100644
--- a/cmd-load.c
+++ b/cmd-load.c
@@ -16,8 +16,8 @@ int cmd_load(int argc, char **argv)
 		return 1;
 	}
 
-	offset = _strtoul(argv[0], NULL, 0);
-	total = _strtoul(argv[1], NULL, 0);
+	offset = strtoul(argv[0], NULL, 0);
+	total = strtoul(argv[1], NULL, 0);
 
 	left = total;
 	while (left--)
@@ -41,8 +41,8 @@ int cmd_loadjump(int argc, char **argv)
 		return 1;
 	}
 
-	offset = _strtoul(argv[0], NULL, 0);
-	total = _strtoul(argv[1], NULL, 0);
+	offset = strtoul(argv[0], NULL, 0);
+	total = strtoul(argv[1], NULL, 0);
 	jumpaddr = (void (*)(void))offset;
 
 	left = total;
diff --git a/cmd-peekpoke.c b/cmd-peekpoke.c
index 583621a..2f582dc 100644
--- a/cmd-peekpoke.c
+++ b/cmd-peekpoke.c
@@ -13,7 +13,7 @@ int cmd_peek(int argc, char **argv)
 		return -1;
 	}
 
-	offset = _strtoul(argv[0], NULL, 0);
+	offset = strtoul(argv[0], NULL, 0);
 
 	printf("Value at 0x%08x: ", offset);
 	printf("0x%08x\n", *((volatile uint32_t *)offset));
@@ -30,8 +30,8 @@ int cmd_poke(int argc, char **argv)
 		return -1;
 	}
 
-	offset = _strtoul(argv[0], NULL, 0);
-	val = _strtoul(argv[1], NULL, 0);
+	offset = strtoul(argv[0], NULL, 0);
+	val = strtoul(argv[1], NULL, 0);
 
 	printf("Setting value at 0x%08x to 0x%08x: ", offset, val);
 	writel(val, offset);
diff --git a/cmd-sleep.c b/cmd-sleep.c
index ce653d7..7145025 100644
--- a/cmd-sleep.c
+++ b/cmd-sleep.c
@@ -11,7 +11,7 @@ int cmd_msleep(int argc, char **argv)
 		return 1;
 	}
 
-	msecs = _strtoul(argv[0], NULL, 0);
+	msecs = strtoul(argv[0], NULL, 0);
 	_msleep(msecs);
 	return 0;
 }
@@ -25,7 +25,7 @@ int cmd_usleep(int argc, char **argv)
 		return 1;
 	}
 
-	usecs = _strtoul(argv[0], NULL, 0);
+	usecs = strtoul(argv[0], NULL, 0);
 	_usleep(usecs);
 	return 0;
 }
diff --git a/cmd-spi.c b/cmd-spi.c
index 6383ada..a54c5d7 100644
--- a/cmd-spi.c
+++ b/cmd-spi.c
@@ -31,11 +31,11 @@ int cmd_spi(int argc, char **argv)
 		return 1;
 	}
 
-	recv_bytes_count = _strtoul(argv[0], NULL, 0);
+	recv_bytes_count = strtoul(argv[0], NULL, 0);
 	uint8_t recv_bytes[recv_bytes_count];
 
 	for (i = 1; i < argc; i++)
-		xmit_bytes[i - 1] = _strtoul(argv[i], NULL, 0);
+		xmit_bytes[i - 1] = strtoul(argv[i], NULL, 0);
 
 	printf("Transmitting %d bytes and expecting a response with %d bytes:\n",
 			sizeof(xmit_bytes), sizeof(recv_bytes));