Description: FreeBSD compatibility, can use lower case letters and add some missing lib.
================================================
--- dtmfdial-0.2.orig/dial.c
+++ dtmfdial-0.2/dial.c
@@ -6,11 +6,20 @@
  */
 #include <math.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
 #include <fcntl.h>
 #include <malloc.h>
+#include <sys/ioctl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#if defined(__linux__)
 #include <linux/soundcard.h>
+#endif
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#include <sys/soundcard.h>
+#endif
 
 #define DEBUG(x)
 
@@ -130,7 +139,7 @@
 	++*index;
 }
 
-void
+int
 main(int argc, char **argv)
 {
 	char *cp;
@@ -307,15 +316,19 @@
 		dial(941, 1477, tone_time);
 		break;
 	case 'A':
+	case 'a':
 		dial(697, 1633, tone_time);
 		break;
 	case 'B':
+	case 'b':
 		dial(770, 1633, tone_time);
 		break;
 	case 'C':
+	case 'c':
 		dial(852, 1633, tone_time);
 		break;
 	case 'D':
+	case 'd':
 		dial(941, 1633, tone_time);
 		break;
 	}