@@ -0,0 +1,90 @@
+.TH LC_GETERRNO 3 "25 Oct 04" "@PACKAGE_STRING@"
+.SH NAME
+lc_geterrno \- Retrieve a numeric error code.
+
+.SH SYNOPSIS
+.B #include <libconfig.h>
+.sp
+.BI "lc_err_t lc_geterrno(void);"
+
+.SH DESCRIPTION
+The
+.BR lc_geterrno (3)
+function returns the last numeric error code set as an
+.IR "lc_err_t"
+which is an enumerated type and can be cast to any integer type.
+
+The
+.IR lc_err_t
+type specifies the following defined values:
+.TP
+LC_ERR_NONE
+No error was found.  Success.
+.TP
+LC_ERR_INVCMD
+A command was specified for which there was no handler.
+.TP
+LC_ERR_INVSECTION
+A section was specified for which there was no handler.
+.TP
+LC_ERR_INVDATA
+A value that does not make sense was specified, such as a non-existant type to the
+.BR lc_process_file (3)
+function.
+.TP
+LC_ERR_BADFORMAT
+An invalid format was detected, such as no argument where on was expected, or a value passed to a boolean-specified variable whose value was not one of: enable, true, yes, on, y, 1, disable, false, off, no, n, 0.
+.TP
+LC_ERR_CANTOPEN
+Unable to open a specified file.
+.TP
+LC_ERR_CALLBACK
+A callback function returned an error (LC_CBRET_ERROR).
+.TP
+LC_ERR_ENOMEM
+Memory could not be allocated for internal structures.
+
+.SH EXAMPLE
+.nf
+#include <libconfig.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+
+int main(int argc, char **argv) {
+	int lc_p_ret, lc_rv_ret;
+	char *filename = NULL;
+
+	lc_rv_ret = lc_register_var("File", LC_VAR_STRING,
+	                            &filename, 'f');
+
+	if (lc_rv_ret != 0) {
+		fprintf(stderr, "Error registering variable: %i.\\n",
+		        lc_geterrno());
+		return(EXIT_FAILURE);
+	}
+
+	lc_p_ret = lc_process(argc, argv, "example", LC_CONF_APACHE,
+	                      NULL);
+	if (lc_p_ret != 0) {
+		fprintf(stderr, "Error processing configuration: \\
+		        %s\\n", lc_geterrstr());
+		return(EXIT_FAILURE);
+	}
+
+	if (filename != NULL) {
+		printf("File specified was: %s\\n", filename);
+	} else {
+		printf("No filename specified.\\n");
+	}
+
+	return(EXIT_SUCCESS);
+}
+.fi
+
+.SH "SEE ALSO"
+.BR lc_register_var (3),
+.BR lc_register_callback (3),
+.BR lc_geterrstr (3),
+.BR lc_process (3),
+.BR lc_register_var (3)