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-rw-r--r--lib/libusb/libusb20.323
1 files changed, 22 insertions, 1 deletions
diff --git a/lib/libusb/libusb20.3 b/lib/libusb/libusb20.3
index 042f8853657f..b41bec150cf0 100644
--- a/lib/libusb/libusb20.3
+++ b/lib/libusb/libusb20.3
@@ -212,6 +212,10 @@ USB access library (libusb -lusb)
.Fn libusb20_me_decode "const void *pdata" "uint16_t len" "void *pdecoded"
.Ft "const uint8_t *"
.Fn libusb20_desc_foreach "const struct libusb20_me_struct *me" "const uint8_t *pdesc"
+.Ft "const char *"
+.Fn libusb20_strerror "int code"
+.Ft "const char *"
+.Fn libusb20_error_name "int code"
.
.
.Sh DESCRIPTION
@@ -996,6 +1000,22 @@ The total decoded length is returned.
The buffer pointer cannot be NULL.
.
.
+.Sh USB DEBUGGING
+.Pp
+.Ft const char *
+.Fn libusb20_strerror "int code"
+Get the ASCII representation of the error given by the
+.Fa code
+argument.
+This function does not return NULL.
+.Pp
+.Ft const char *
+.Fn libusb20_error_name "int code"
+Get the ASCII representation of the error enum given by the
+.Fa code
+argument.
+This function does not return NULL.
+.
.Sh FILES
.
.
@@ -1003,7 +1023,8 @@ The buffer pointer cannot be NULL.
.Sh SEE ALSO
.Xr usb 4 ,
.Xr libusb 3 ,
-.Xr usbconfig 8
+.Xr usbconfig 8 ,
+.Xr usbdump 8
.
.
.Sh HISTORY